Fabric,Description,Class,Ocurrence,Source,Date Range 1a,Shell Gritted Ware,Coarse,Extremely common,Unknown local or Bedfordshire,I - IV ad 2a,Soft Pink Grogged Ware,Coarse,Very common,Local,160/170 - 400 ad 2b,Soft Pink Grogged Ware,Coarse,Sparse,Local,early II - early III ad 3a,Local Grey Sand-tempered Ware,Coarse,Very common,Local,II - IV ad 4a,Mortaria,Specialist,Moderate,"Cowley, Headington, Sandford, Oxford",130 - 170 ad 4ag,Mortaria,Specialist,Moderate,Oxfordshire,100 - 150 ad 4b,Mortaria,Specialist,Moderate,"Cowley, Headington, Sandford, Oxford",130 - 170 ad 4ba,Mortaria,Specialist,Moderate,Oxfordshire,100 - 300 ad 4c,Mortaria,Specialist,Moderate,"Manduessedum, Hartshill, borders of Bucks and Leic",100 - 350 ad 4ed,Mortaria,Specialist,Moderate,Local,100 - 200 ad 4eg,Mortaria,Specialist,Sparse,"Northants, Beds, Bucks",240 - 400 ad 4ej,Mortaria,Specialist,Moderate,Northamptonshire,180 - 240 ad 4em,Mortaria,Specialist,Moderate,Local,100 - 300 ad 4f,Mortaria,Specialist,Sparse,Lower Nene Valley,IV ad 6,Lower Nene Valley Colour-coated Ware,Fine,Common,Lower Nene Valley,late II - IV ad 8,BB1,Coarse,Rare,Dorset,late II - IV ad 9a,Local Black Sand-tempered Ware,Coarse,Very Common,Local,late II - IV ad 12,Lower Nene Valley Greyware,Coarse,Sparse,Lower Nene Valley,late II - early III ad 14,Upper Nene Valley Greyware,Coarse,Sparse,Lower Nene Valley or Northants/Bucks,II - early III ad 17a,Upper Nene Valley Oxidised Wares,Coarse,Sparse,Upper Nene Valley,II - early III ad 18a,White Wares,Coarse,Moderate,Unknown,late I - II ad 18b,White Wares,Coarse,Rare,Nene Valley,late II ad 18c,White Wares,Coarse,Moderate,"Northants, Oxfordshire or Verulamium region",II/III ad 18g,White Wares,Coarse,Fairly rare,Verulamium region,late I - II ad 19/29,Local Oxidised Sand-tempered Wares,Coarse,Rare,Local,II - III ad 20,Samian (Dr 18/31),Fine,Imported,Central Gaul,120 - 160 ad 20,Samian (Dr 18/31R),Fine,Imported,Central Gaul,120 - 160 ad 20,Samian (Dr 33),Fine,Imported,Central Gaul,140 - 170 ad 20,Samian (Dr 35),Fine,Imported,Central Gaul,120 - 160 ad 24,Oxford Colour-coated Wares,Fine,Common,Oxfordshire,240/270 - 400 ad 28,Coarse Greyware,Coarse,Moderate,Local,late II - IV ad 45,Belgic Grog-tempered Ware with sand,Coarse,Rare,Local,mid/late I ad 46a,Belgic Grog-tempered Ware,Coarse,Very Common,Local,I ad 46da,Belgic Grog-tempered Ware,Coarse,Rare,Local,early/mid I ad 47a,Local Early Sand-tempered Wares,Coarse,Common,Local,late I - II ad 47c,Local Early Sand-tempered Wares,Coarse,Common,Local,late I - II ad