Please note that all diameters are referenced to inner ring diameter
| 192 
 | Size: ring diam. cm 1,7 Description and material: Roman ring key; bronzo; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 219 
 | Size: ring diam. cm 1,6 Description and material: Roman ring key; bronze; geometric shaped cypher, damaged, for spring lock (?) Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 220 
 | Size: ring diam. 1,6 Description and material: Roman ring key; bronze; geometric shaped cypher, damaged, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 232 
 | Size: ring diam. cm 1,7 Description and material: Roman ring key, deformed; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 233 
 | Size: ring diam. cm 1,7 Description and material: Roman ring key; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. Note: a written inscription is currently being decoded | 239 
 | Size: ring diam. cm 1,7 Description and material: Roman ring key; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 244 
 | Size: ring diam. cm 1,7 Description and material: Roman ring key; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 255 
 | Size: ring diam. cm 1,4 Description and material: Roman ring key; ferro; unusual geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 262 
 | Size: ring diam. cm 1,6 Description and material: Roman ring key; bronze; unusual geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 267 
 | Size: ring diam. cm 1,7 Description and material: Roman ring key; bronze; unusual geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. Note: Jackson believes the cypher has a Christian reference | 
| 269 
 | Size: ring diam. cm 1,7 Description and material: Roman ring key; bronze; geometric shaped cypher, partly missing, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 276 
 | Size: ring diam. cm 1,8 Description and material: Roman ring key; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 307 
 | Size: ring diam. cm 1,9 Description and material: Roman ring key; bronze; elaborate geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 324 
 | Size: ring diam. cm 1,7 Description and material: Roman ring key; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 333 
 | Size: ring diam. cm 1,8 Description and material: Roman ring key; bronze; unusual geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. Note: Jackson believes the cypher has a Christian reference | 345 
 | Size: ring diam. cm 1,6 Description and material: Roman ring key; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 346 
 | Size: ring diam. cm 1,6 Description and material: Roman ring key; bronze; simple geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 364 
 | Size: ring diam. cm 1,9 Description and material: Roman ring key; bronze; unusual partially geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 369 
 | Size: ring diam. cm 1,8 Description and material: Roman ring key; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | ||
| 380 
 | Size: stem cm 4,5 Description and material: Roman key, handle with hole; bronze; cypher for spring lock Origin and epoch: Imperial Rome, approx. II century A.D. | 401 
 | Size: ring diam. cm 1,8 Description and material: Roman ring key; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. Note: see key 402 | 
| 402 
 | Size: ring diam. cm 1,8 Description and material: Roman ring key; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. Note: see key 401 | 438 
 | Size: ring diam. cm 1,7 Description and material: Roman ring key; bronze; curvilinear shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 520 
 | Size: ring diam. cm 1,8 Description and material: Roman ring key; bronze; cypher similar to a Roman chariot wheel, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 525 
 | Size: ring diam. cm 1,7 Description and material: Roman ring key; iron; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 534 
 | Size: ring diam. cm 1,7 Description and material: Roman ring key; bronze; double geometric shaped cypher, with different cyphers, deformed, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. Note: quite unusual layout | 539 
 | Size: ring diam. cm 1,8 Description and material: Roman ring key; bronze; unusual geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 546 
 | Size: ring diam. cm 1,8 Description and material: Roman ring key; bronze; unusual geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. Note: the key could be used to open a for a very large coffer | 547 
 | Size: ring diam. cm 1,5 Description and material: Roman ring key; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 550 
 | Size: ring diam. cm 1,6 Description and material: Roman ring key; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 551 
 | Size: ring diam. cm 1,6 Description and material: Roman ring key; bronze; unusual geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 561 
 | Size: ring diam. cm 1,6 Description and material: Roman ring key; shaped ring; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 564 
 | Size: ring diam. cm 1,8 Description and material: Roman ring key; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 567 
 | Size: ring diam. cm 1,7 Description and material: Roman ring key, deformed; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. Note: Jackson believes that the cypher is looking like a human face with an open mouth | 579 
 | Size: ring diam. cm 1,6 Description and material: Roman ring key; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 584 
 | Size: ring diam. cm 1,7 Description and material: Roman ring key; bronze; unusual geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. Note: Jackson believes that the cypher is too sophisticated for a reliable operation | 614 
 | Size: ring diam. cm 1,7 Description and material: Roman ring key; bronze; geometric shaped cypher, with a cross, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 621 
 | Size: ring diam. cm 1,9 Description and material: Roman ring key; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 659 
 | Size: ring diam. cm 1,9 Description and material: Roman ring key; bronze; simple shaped cypher, probably unfished, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 660 
 | Size: ring diam. cm 2 Description and material: Roman ring key; bronze; simple geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 673 
 | Size: ring diam. cm 1,8 Description and material: Roman ring key; bronze; curvilinear shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 685 
 | Size: ring diam. cm 1,9 Description and material: Roman decorated ring key; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 688 
 | Size: ring diam. cm 1,6 Description and material: Roman ring key; bronze; simple geometric shaped cypher, with unusual “tail”, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 729 
 | Size: anello diam cm 1,8 Description and material: ring key for a small casket, spring activated lock; traditional cypher; bronze (?) Origin and epoch: Imperial Rome, II century A.D. | 742 
 | Size: ring diam. cm 1,8 Description and material: ring key for a small casket, spring activated lock; sophisticated and unusual cypher; bronze Origin and epoch: Imperial Rome, II century A.D. | 
| 761 
 | Size: ring diam. cm 1,8 Description and material: Roman ring key; bronze; unusual geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. Note: Jackson makes reference to a Balkan origin | 771 
 | Size: ring diam. cm 1,6 Description and material: Roman ring key; bronze; simple geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 786 
 | Size: ring diam. cm 2,2 Description and material: Roman ring key; bronze; simple geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. Note: it is possible that the key was hanged to a string, in view of the ring’s large size | 798 
 | Size: ring diam. cm 1,6 Description and material: Roman ring key; bronzo; simple geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 896 
 | Size: ring diam. cm 2,3 Description and material: Roman ring key; bronze; simple geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. Note: see also 688 | 942 
 | Size: ring diam. cm 1,8 Description and material: Roman ring key; bronze; simple geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 992 
 | Size: Description and material: ring diam. cm 1,7 Roman ring key; bronze; simple geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 1005 
 | Size:  ring diam. cm 1,7 Description and material: Roman ring key; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 1046 
 | Size: ring diam. cm 1,6 Description and material: Roman ring key; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 1089 
 | Size: ring diam. cm 1,7 Description and material: Roman ring key, deformed; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 1179 
 | Size: ring diam. cm 1,8 Description and material: Roman ring key; bronze; complex geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 1192 
 | Size: ring diam. cm 1,8 Description and material: Roman ring key very thin; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 1221 
 | Size: ring diam. cm 1,8 Description and material: Roman ring key; bronze; unusually shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 1224 
 | Size: ring diam. cm 1,7 Description and material: Roman ring key; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 1225 
 | Size: ring diam. cm 1,6 Description and material: Roman ring key, bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 1292 
 | Size: ring diam. cm 1,6 Description and material: Roman ring key; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 1302 
 | Size: ring diam. cm 1,6 Description and material: : Roman ring key; bronze; unusually shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 1309 
 | Size: ring diam. cm 1,6 Description and material: Roman ring key; bronze; very simple cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 1377 
 | Size: ring diam. cm 1,8 Description and material: Roman ring key; bronze; cross shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 1385 
 | Size: ring diam. cm 1,7 Description and material: Roman ring key; bronze; simple cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 
| 1416 
 | Size: ring diam. cm 1,8 Description and material: Roman ring key; bronze; geometric shaped cypher, for spring lock Origin and epoch: Imperial Rome, approx. I century A.D. | 


































































