| Province | Asia |
| Subprovince | Conventus of Halicarnassus |
| City | Cos |
| Region | Caria |
| Reign | Augustus |
| Obverse inscription | ΣΕΒΑΣΤΟΣ |
| Obverse design | laureate head of Augustus, right |
| Reverse inscription | ΚΩΙΩΝ ΝΙΚΑΓΟ[ |
| Reverse design | head of Heracles wearing lion skin, right |
Coin no. 3 of RPC I, 2733
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| URI | https://rpc.ashmus.ox.ac.uk/coin/307245 |
| Reference | Lindgren 683 |
| Diameter | 15 |
| Weight | |
| Axis | 12 |
| Note | |
| Addition | Additional coin (post publication) |