| Province | Asia |
| Subprovince | Conventus of Halicarnassus |
| City | Cos |
| Region | Caria |
| Reign | Uncertain |
| Obverse inscription | ΝΙΚΙΑΣ |
| Obverse design | wreathed (?) head of Nikias, right (lightly bearded) |
| Reverse inscription | ΚΩΙΩΝ ΧΑΡΜΥΛΟΣ |
| Reverse design | laureate head of Asclepius, right |
Coin no. 9 of RPC I, 2731
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| URI | https://rpc.ashmus.ox.ac.uk/coin/342774 |
| Reference | Helios 3, 29 Apr. 2009, lot 56 |
| Diameter | 31 |
| Weight | 19.24 |
| Axis | |
| Note | |
| External URI | https://www.coinarchives.com/a/openlink.php?l=260044|385|56|dce553d0113f10cc490495541d5452fe |
| Addition | Additional coin (post publication) |