- Categories ofNumerus de
| Material | Code | Small Finds | Bulk Finds |
|---|---|---|---|
| Silver | AR | Y | N |
| Gold | AU | Y | N |
| Bone / Antler | B | Y 1 | Y |
| Copper Alloy | BR (CA) | Y | N |
| Coin | C | Y | N |
| Clay Pipe | P (CP) | Y 2 | Y |
| Enamel | E | Y | N |
| Flint | F | Y 3 | Y |
| Iron | I (FE) | Y | Y 4 |
| Glass | G | Y 5 | Y |
| Inscribed Material 8 | IM | Y | N |
| Intaglio & Cameo | INT | Y | N |
| Jet & Shale | J | Y | N |
| Lead | L | Y | N |
| Miscellaneous | MISC (MS) | Y | Y |
| Organic | OR | Y | N |
| Pottery (Roman) | P | Y 6 | Y |
| Medieval & later Pottery | MP | N | Y |
| Quern | Q | Y | N |
| Stone | S | Y | N |
| Skeletal (human) Remains | SM | Y | N |
| Tile & Brick | T | Y 7 | Y |
| Daub | D | N | Y |
| Metal Working Debris | MD | N | Y |
| Mollusc | ML | N | Y |
| Mortar | MT | N | Y |
| Opus Signum | OP | N | Y |
| Plaster | PL | N | Y |
| Painted Plaster | PP | Y | N |
Codes shown in brackets indicate different codes used at Segedunum (Wallsend)
- Not butchery marks. Washed bone and antler only, includes offcuts
- With makers stamp on stem or base of bowl, decorated and C17th
- Stratified finds only
- Nails are not Small Finds - except hobnails
- Roman glass only
- Stamped pottery or unusual ceramics - lamps, figurines etc
- Makers stamp. Chimney pots
- Includes graffiti on pottery, stone, tile and bone etc