Context,BRIFR-code,Crest type,Spur length base,Spur length top,Spur height,Spur width base,Spur width lower,Spur width top,Cut/hand moulded,Keying code,Keying type,Keying size,End spur,spur profile,Trough profile,decoration,Aperture,Ctx type,Ctx Interpretation,Cut,Group,Area,Area Phase,Site Phase,Period,Property,
2232,~,,,,,30,,,,1,"knife stab, diagonal",,,,,"applied strip,",~,Layer,Make-up Layer,2232,2232,5,A5.23,6,L16-17C,TSE 1N,
2253,1,triang,50,,>15,,15,<9,Cut,K1a S1,Triangular skewer or knife stab mark at base of crest spur in centre piercing at diagonal.,,,triangular,,,~,Layer,Make-up Layer,2253,2253,5,A5.22,6,L16-17C,TSE 1,
2329,5,perforated,90,,56,,13,,Cut,,,~,~,"Large triangular crest spur with parallel sides, flat edges"," parallel sides, flat edges",applied strip inset,"Perforated by large cut semi-circular aperture 38mmL, 34mmH.",Fill,Pit Fill,2328,2329,5,A5.12,3,M13-14C,TSE 1N,
2150,5,perforated,40 mm L,,>40 mm H,(25mmW ,15 mm W,,,,,,The end of a crested ridge tile with flat even end rim.,The surviving section of crest is flat & parallel sided. ,"The base of the crest was cut as a concave trough, of which only the base survives. ",,The crest at base) is perforated by a semicircular aperture (33mmW) ,,,,,,,,,,
2339,5,,,,,,,,,,,,,?type 5 crest or deeply cut between spurs.,,,~,Fill,Pit Fill,2334,2339,5,A5.12,3,M13-14C,TSE 1N,
2434,1c,pyramidal,45,0,20,?20,15,4,cut,K3 S1,single circular skewer stab mark in centre base of spur at a diagonal,4 mm dia. X >23mmL,~,"cut concave eges, converging convex sides",curving concave scoop between crest spurs. ,,~,,,,,,,,,,
2441,2,triang,62,0,25,28,,7,cut,~,none,~,~,straight cut edges tapering concave sides.,V trough,pyramidal pie-crust applied strip,~,,,,,,,,,,
2610,2,triang,48,0,40,20,10,10,cut,K1c S2,"flat knife blade , blade vertical,  at right angles to spur directed downwatrds. One on each side of spur",10x1 mm x20 mmL,Vertical end prob bisecting apex (broken) (30L x 15Wb),"Straight flat  edges, verticall // flat sides.",V trough,"Diagonal pie crust applied strip on both sides,  runing from corner betwenn crest and edge.",~,,,,,,,,,,
3042,3,wave,40,<20,>20,25,~,~,cut,~,none,~,~,from base angle of sides looks asymmetric - wave or serrated type,"trough between spurs has one straight edge,  one curving",,~,,,,,,,,,,
3042,1c,triang,75,0,c20,20,,11,cut,~,none,~,~,Shallow triangular with cut concave edges  and sides tapering to top,curving concave scoop between crest spurs. ,"Part of a cross - half surviving formed of2 impressed arms at right angles measuring 12x2x2 mm & >15x2x2 mm, the longer cutting across the shorter. This appears at the base of the spur opn one side only but seems too shallow for keying.",~,,,,,,,,,,
3047,1a,triang,35,0,35,24,16,10,cut,~,"none, but a circular depression looks like tip of skewer. This end spur has a thin layer of clay moulded over the edge and side on one side to lute it to the ridge apex. ",,Only  end spur present: end rim bisects spur,"curving cut edge, concave tapering sides",curving concave scoop between crest spurs. ,~,~,,,,,,,,,,
3047,2,triang,72,<15,>40,25,16,8,cut,K1 D2,"knife: 2 vertical knife marks cutting spur on both sides, set 15 mm apart.",25x2x8 mm,~,Straight edges & tapering concave sides . Missing apex probably pointed. Individual spur attached to ridge apex.,probably V trough,~,~,,,,,,,,,,
3047,5,perforated,>45,12-15 mm,>40,~,17,11,cut,~,none,~,~,partial spur fragment: parallel straight sides and apex truncated and cut flat.,~,~,semi-circular 50 mm diameter - both angles have a smooth concave bevel creating a central rib around the inside surface.,,,,,,,,,,
3048,3?,wave?,40,,47,,17,,,~,,,Single crest spur from end of tile - asymmetric profile,,,,~,Layer,Garden Soil,3048,7499,1,A1.51,3,M13-14C,,
3048,2,triang,>40,0,>35,25+,,11,cut,~,none,~,~,straight flat edges; concave tapering sides,V trough,~,~,,,,,,,,,,
3058,2,triang,55,0,35,19,,11,cut,~,none,~,,"straight flat edges; concave tapering  lower sides , // vertical to top",V trough,,~,,,,,,,,,,
3069,U,,52,,,17,,,,~,,,,,,,~,Layer,Medieval Garden Soil,3069,7499,1,A1.51,3,M13-14C,,
3129,2,triang,40,~,>18,25,17,<11,cut,K1b S1,"thick lentoidal blade, set on edge piercing slightly downwards & at right angles to spur.",18x5x30 mm,more pyramidal,straight or slightly concave edges &curving concave tapering sides. Top of spurs missing prob pointed ,V trough with narrow rounded / curving base.,,~,,,,,,,,,,
3170,1a,triang,50,<11,>22,25,13,8,cut,K3 S1,"oval skewer stab mark with pointed end,  rounded edges top & base & // sides, cutting at slight diagonal to vertical. One only on one side of spur cutting centre base.",10x5x23 mm,~,"curving cut edge, concave tapering sides",curving concave scoop between crest spurs. ,,~,,,,,,,,,,
3172,3,wave,55,9,20,25,14,9,cut,K3 S1,single circular skewer stab mark in centre base of spur at a diagonal,8 mm dia. X 19 mmL,~,asymmetric steeper straight edge on one side to other; tapering concave sides.,asymmetric concave trough with sharper angle on one side than the other,,~,,,,,,,,,,
3202,2,triang,60,0,30,28,15,<8,cut,K1b S1,"single lentoidal blade stab, diagonally downwards",20 x 2 x25 mmL,~,"straight edges, concave converging sides.",V trough,,~,,,,,,,,,,
3280,4,triang,95,,39,27,10,,kn cut,K/// M2,deep knife cut keying at close intervals along both sides of crest. ,Knife cuts 30 mm long at right angles to crest at intervals of 9 to 15 mm,,triangular form with rounded apex; parallel sides splayed at base,curving concave scoop between crest spurs. ,"applied strip,",~,Fill,Floor,3307,3280,1,A1.64,4,L14-15C,LDW1,
3355,1c,sub-pyramidal,30,0,15,18,,8,cut,K3 S1,Single circular skewer stab mark in centre base of spur at a diagonal on one side only,5 mm dia. x15 mmL,~,"Very small spur, concave edges and converging concave sides.",curving concave scoop between crest spurs. ,,~,,,,,,,,,,
3367,1b,sub-pyramidal,40,6,26,25,,9,cut,K1b S1,Single oval knife stab mark in centre base of spur horizontal & perpendicular to crest on one side only,9x4x25 mm,~,straight edges; concave converging sides apex cut flat,curving concave scoop between crest spurs (spur bases c 15 mm apart). ,,~,,,,,,,,,,
3369,1a,triang,45,0,32,35,14,10,cut,K1b S1,"lentoid blade stab vertical, piercing horizontally",9x3 mm x25 mmL,~,flat steeply sloping straight edges ; // sides,curving concave scoop between crest spurs. ,,~,,,,,,,,,,
3369,1c,triang,50,0,20,25,,8,cut,K2 S1,"triangular skewer stab mark, orthoganal to crest inclined downwards",8x7 mm x29 mmL,~,"curving cut concave edge, concave tapering sides",long wide concave scoop from spur apex to apex,,~,,,,,,,,,,
3371,U,,30,,15,25,,,,K2 S1,pierced on one side by trapezoidal skewer stab mark, 6 x 3-5 mm. ,pyramidal spur partly bisected near apex by rim , pyramidal spur. This spur may not be typical of the main examples. ,, cut to form a wide curving concave hollow over 30 mm W at the base between spurs. ,~,Fill,Construction Cut Backfill,3083,3371,1,A1.88,6,M16-17C,LDW1,
3371,3,wave,30,,24,30,,10,kn cut,K2 S1, Both spurs have a single triangular skewer stab mark in the centre base,,The end spur is partly bisected by the end rim;,pointed pyramidal,asymmetric curved scoops (almost wave-like impression),45 mm between apices,~,Fill,Construction Cut Backfill,3083,3371,1,A1.88,6,M16-17C,LDW1,
3371,2?,,56,,20-24,20,,8,Cut,~,,,the one at the end bisected centrally by the end rim. ,Sharply cut triangular spurs . The spurs taper and are sub-pyramidal when viewed from above.,,,~,Fill,Construction Cut Backfill,3083,3371,1,A1.88,6,M16-17C,LDW1,
3447,1c,triang,35,0,10,25,,0,cut,K3 S1,single circular skewer stab mark in  base of spur at inner end at a diagonal,7 mm dia. X 25mmL,"very low pyrramidal spur, appears to be thickened end of crest pinkched up and cut on the inside into scoop. Partly obscured by mortar.",no internal spurs,curving concave scoop between crest spurs. ,,~,,,,,,,,,,
3484,1a,triang,,,,,,,Cut,K1 S1,Part of knife stab mark  at a diagonal through base of spur on one side only  into ridge apex., >18mmLx1mmW x15 mmD,,,, Part of wide curving concave scoop cut between spurs 30 mmW x>45mmL.,~,Fill,Robbing Fill,3485,3484,1,A1.87,6,M16-17C,TSW3,
3496,1a,triang,50,,27,20,,13,Cut,K1 S1,"Diagonal knife stab mark cutting into lower half on one side of spur, off-centre",knife stab mark  15x2mm x c2-5mmD,, triangular cut spur; flat straight edges with sharp arrises.,wide curving concave scoop between crest spurs. ,,~,Layer,Floor Surface,3496,3496,1,A1.87,6,M16-17C,TSW3,
3496,2,triang,>50,,>21,,10,,Cut,K1 S1,Knife stab mark at base of crest in middle of spur - one side only; long and orthogonal., 28x5mm x0-8mmD,,Spur triangular; straight flat edges; parallel sided.,sharp base angle between spurs., Applied strip,~,Layer,Floor Surface,3496,3496,1,A1.87,6,M16-17C,TSW3,
3533,2,triang,65,0,33,15,10,9,cut,FGs,finger grooves along base on both sides creating ribbing.,,broken off,straight edges and // straight sides. Spurs individually applied into thickend crest apex.,V trough,Applied strip running from corner formed by crest and tile end 15 mm W x 3 mm H.,~,,,,,,,,,,
3536,2,,,,,,,,kn cut,K3 S1,"skewer stab, circular ",,,angular,concave trough,~,~,Fill,Pit Fill,3865,3536,1,A1.59,4,L14-15C,TSW4,
3536,1a,triang,40,0,25,27,13,8,cut,K3 S1,circular skewer mark; at diagonal to spur piercing slightly downwards - one to each spur from same side. Tip  pierces tile base.,6-7 mm dia. 24 mmL,rounded pyramidal bisected by end rim 30 x 35 x 28 mm,straight edges and // straight sides.,curving concave scoop between crest spurs. ,~,~,,,,,,,,,,
3536,3,triang,50,15,25,18-20,,6,cut,~,none,~,The end spur has a narrow rounded top which has been cut to a bevel at the end by the rim; the adjacent rim angle also bevelled though elsewhere rounded.,asymmetric steeper edge on one side to other; tapering concave sides.,curving concave scoop continuous between crest spurs. ,~,~,,,,,,,,,,
3536,2,triang,70-75,0,30,20-26,,10,cut,K1b S1,knife lentoidal nr vertical 1 pr spur 1 side only,12x3mm x 11 mm,~,straight edges; sides concave tapering // in upper half,V trough,~,~,,,,,,,,,,
3543,2,triang,60,~,>17,25,12,6,cut,K3 S1,circular skewer mark; at diagonal to spur piercing slightly downwards - one only. Tip does not pierce tile base.,10x4mm x 25 mm,~,straight edges; sides concave tapering,V trough with narrow rounded / curving base.,~,~,,,,,,,,,,
3559,7,pyramidal,>30 (est c 40),>20 (c. 25 est),15,20,,3,hand,~,luted,~,~,"Rounded curving pyramidal profile, thumb pinched in middle of spur. Individual spurs luted to semi-circular ridge tile.",gap of >15 mm between spurs,~,~,,,,,,,,,,
3579,1a,triang,45,0,25,20,13,8,cut,K3 S1,circular skewer mark; at diagonal to spur piercing slightly downwards - one on one side only.,6 mm diameter x 23 mm L,~,straight edges; sides concave tapering // in upper half,curving concave scoop between crest spurs. ,~,~,,,,,,,,,,
3709,2,triang,65,0,35,28,20,15,cut,~,none,,,straight edges and // concave sides - slight taper.,V trough,~,~,,,,,,,,,,
3731,2,triang,70,0,20,20,,10,cut,~,~,,,"Sharply cut triangular spurs . The spurs taper slilghtly but flat sided. Straight edges, angular.",concave V trough,~,~,,,,,,,,,,
3731,2,triang,55 at tile end,?,>15,20,,,cut,K1 S1,knife bladetip,25x10x1,Vertical end bisecting apex,"Sharply cut triangular spurs . The spurs taper and are sub-pyramidal when viewed from above. Straight edges, angular. v sharp angles",V trough,~,~,,,,,,,,,,
3731,1a,triang,40,~,>12,18,,10,cut,K3 S1,"skewer stab, circular 5 mm di 26 mm L",,, triangular cut spur; flat straight edges with sharp arrises. Slight taper.,wide curving concave scoop between crest spurs. ,~,~,,,,,,,,,,
3731,1a,triang,50,0,22,15,,10,cut,K1 S1,"large deep thick blade tip, 12 mmx7 mm, 30 mm L",,, triangular cut spur; flat straight edges with sharp arrises. Slight taper.,wide curving concave scoop between crest spurs. ,~,~,,,,,,,,,,
3749,2,triang,50+,,24,23,18,12,cut,K1 S1,"knife blade tip, vertical single, downward angle",16x2x >17mm,Vertical end bisecting apex, triangular cut spur; flat straight edges with sharp arrises. Slight taper.,V trough,~,~,,,,,,,,,,
3749,1a,triang,c 60,0,24,25,17,8,cut,K3 S1,"circular skewer, single, horizontal",5x5 x 26 mm,, triangular cut spur; flat // concave sides & edges with sharp arrises. Distinct taper.,wide curving concave scoop continuous between crest spurs. ,~,~,,,,,,,,,,
3749,1a,triang,50,0,30,15,12,7,cut,~,,,complete length (but this one has broken, triangular cut spur; flat // concave sides & edges with sharp arrises. Slight taper.,wide curving concave scoop continuous between crest spurs apices. ,~,~,,,,,,,,,,
3816,2,triang,70?,0,c 30,20,,12,cut,~,,,Vertical end bisecting apex,straight edge  concave sides,V trough?,~,~,,,,,,,,,,
3868,2,triang,c55,,>20,18,,10,cut,K1 S1,Flat pointed thin blade stabs - one diagonally downwards through each spur.,12x1 x 12 mm,,straight edge;  parallel sides,V trough,~,~,,,,,,,,,,
3875,2,triang,c70,,>20,20,,10,cut,~,,,,straight edge  concave sides,V trough,~,~,,,,,,,,,,
3891,2,triang,60,,>20,26,14,,cut,K1 S1,Flat pointed thin blade stabs - one diagonally downwards through each spur.,15x1 x30mm,,straight edge  concave sides,V trough,~,~,,,,,,,,,,
3897,2,triang,70,0,25,20,11,8,cut,K2 S1,"triangular skewer stab mark, near horizontal slightly downwards - on complete spur nearly perforates it.",10x5 x 28 mm,, triangular cut spur; flat straight edges with sharp arrises. Slight taper.,V trough,~,~,,,,,,,,,,
3898,1 or 2,triang,40,0,20,22,,15,cut,K3 S1,"circular skewer, single, horizontal",7x8 mm x22 mm,,triangular cut spur; flat straight edges with v sharp arrises.  taper.,Sharply curving trough,~,~,,,,,,,,,,
3903,2,triang,>45 [est 60],9,15,,12,9,cut,~,,,," Triangular spur with flattened apex, straight cut edges with angular arrises and angular troughs between spurs",,~,~,Fill,,3850,3903,1,A1.31,3,M13-14C,TSW1,
3922,2,triang,>45 [est 60],,>25,35,,<12,cut,K1 S1,thin knife stab mark visible in broken edge through spur base.,,,"Triangular spur with pointed apex and tapering concave sides, straight cut edges with angular arrises. ",narrow angular troughs between spurs.,~,~,Fill,Ditch Fill,4352,3922,1,A1.57,4,L14-15C,TSW3,
3929,1c,triang,25,,>15,,15,,cut,~,,,,Base  of small triangular crest spur ,,~,~,Fill,Pit Fill,3928,3929,1,A1.41,3,M13-14C,TSW4,
3957,1a,triang,>60,,>32 [est 38],20,,8,cut,~, applied crest,,," Triangular - flat cut edges with sharp arrises, concave sides tapering to apex:",,~,~,Fill,Pit Fill,3928,3957,1,A1.41,3,M13-14C,TSW4,
4032,3,wave,30,6,28,20,15,11,cut,K2 S1,"triangular skewer stab mark, horizontal diagonal.",7x4 mm x21 mm,, parallel sided; asymmetric profile - curving back like a wave ,concave curving scoop,~,~,,,,,,,,,,
4098,3,wave,30,5,25,15,10,7,cut,K3 S1,"circular skewer, single, through centre base downwards with tip perforating underside.",5 mm di x 27 mmL,,"Asymmetric, one edge near vertical, other diagonal, both straight",V trough,~,~,,,,,,,,,,
4128,1a,triang,60,0,28,25,14,12,cut,K3 S1,"circular skewer, single, horizontal at diagonal; pulled upwards when removed creating grape pip shape profile.",7 mm di x 30 mmL,, triangular cut spur; flat // concave sides & edges with sharp arrises. Slight taper.,concave curving scoop,~,~,,,,,,,,,,
4167,2,triang,80,~,>20,20,,5,cut,K1 S2,thin knife stab mark visible in broken edge through broken spur base and one each on either side of more complete spur. ,12x1-2 mm x15-22 mm,,symmetric pyramidal with straight or slightly concave edges and tapering concave sides. Apex missing.,V trough,~,~,,,,,,,,,,
4179,1c?,triang? ,25,,15,30?,~,~,cut,K3 S1,circular skewer mark; at a right angle to spur piercing diagonally downwards & through base surface.,5 mm diameter x 27 mm L,"only the end spur survives & is barely differentiated from the thickened rim, though in profile it does look like a triangular spur bisected through the apex by the rim.","On this end spur the sides slope in  to create the impression of a small bisected pyramid, but cannot be certain this is representative of the whole.",V trough?,~,~,,,,,,,,,,
4391,1c,~,20 & 35,~,~,20,~,~,cut,K3 S1,circular skewer mark; at diagonal to spur piercing slightly downwards - one to each spur from same side,6 mm diameter x 16 mm L,,"spurs are clearly short ?& small, though not surviving.",concave curving scoop c 15-18 mm L at base.,~,~,,,,,,,,,,
4577,1c?,triang?,55,,>22,25,10,,cut,K1a S1,triangular knife blade at a diagonal; one per spur.,18x2 mm x 18 mm,,straight cut edges tapering concave sides.,V trough?,~,~,,,,,,,,,,
4592,1c?,pyramidal,>38,,>30,30,,<10,cut,K1 S1, knife blade at a diagonal; one per spur.,20W x >22L,,straight sloping edge ; concave sides tapering to top,V trough?,~,~,,,,,,,,,,
4593,2,triang,50 (est 70 for inner spur),0,32,23,15,9,cut,K1b S2,"lentoidal knife blade, stab marks at diagonal, one on each side of spur.",11x3mm x15mm,"Only the end spur survives bisected by the rim, with apex rounded off or weather to a rounded apex.",straight edges and // sides ,V trough,~,~,,,,,,,,,,
4688,2,triang,65 (end spur 47),~,>22 (end spur 20),23 (end spur 17),14,<11 (end spur 8,cut,K1b S1,"lentoidal knife blade, stab marks at diagonal, one on one (same ) side of each spur. The end one does go right through the crest (?reason its come away?)",20-24x4mm x19mm,bisected by rim and apex weathered to a rounded tip.,straight edges and concave converging sides ,V trough,~,~,,,,,,,,,,
4769,3,wave,50 (end spur 40),0,20 (end spur 20),30 (end spur 30),13,10,cut,K3 S1,circular skewer mark; at diagonal to spur piercing slightly downwards - one to each spur from same side,5mm dia x24mm,bisected pyramid with rounded apex,"asymmetric, one edge steeply cut straight, other curving concave",asymmetric V trough,~,~,,,,,,,,,,
4771,2,triang,c60-70,0,32,20,12,10,cut,K1b S2,"lentoidal knife blade, stab marks at diagonal, one on each side of spur.",15x4mm x22mm,~,straight edges and // sides ,V trough?,~,~,,,,,,,,,,
5229,2,triang,85,0,43,33,13,11,cut,K1c S1,"single narrow flat blade cut, vertically, in centre of spur base, one side only.",7x1 mm,~,straight sides converging concave sides at base // top,V trough,~,~,,,,,,,,,,
7488,2,triang,65,~,>30,32,14,10,cut,K1c S1,"Flat blade (more like corner of metal ruler than knife) with rectangular profile, blade vertical,  at right angles to spur directed downwatrds. One on one side of spur only.",15x2 mm x7 mm D,~,"straight angularedges;  sides concave converging at  base, more // top ",V trough,~,~,,,,,,,,,,
,,,,,,,,,cut,,,,~,,,,,,,,,,,,,,
,,,,,,,,,cut,,,,,,,,,,,,,,,,,,
,,,,,,,,,cut,,,,,,,,,,,,,,,,,,
3069,5,perforated,35mm,,>50mm,32mm,,10mm,,K2 S1, A triangular skewer stab mark occurs at the base of the spur. probably luted and keyed to the ridge as an individual spur. , ,"Type 5 crest spur from the tile end, The end spur is c 35 mm L, >50 mmH, 32 W b-10Wt.",,The base of the concave trough between spurs is c.40 mm above the base of the crest. ,,"There is a flat end, a curving concave cut edge and a second tightly curving edge of the aperture. The aperture is c. 25-30 mm diam.",,,,,,,,,,
3531,6,pyramidal,60mm,,40mm,40mm,,20mm,hand,K1S2,"Two knife key stabs, one on each side virtually cutting though it, 25 W x 30mm L.",,,"Detached triangular spur was attached as an individual spur not a strip.  It has a rounded hand moulded apex and edges, parallel sided at top splaying out to base. ",,,,,,,,,,,,,
3038,6,pyramidal,40mm dia.,,40mm,40mm,,13mm,hand,,luted,,,"Spur slightly oval rather exactly circular, coniucal form",,,,,,,,,,,,,