| Province | Bithynia-Pontus |
| City | Nicaea |
| Region | Bithynia |
| Reign | Severus Alexander |
| Obverse inscription | ΙΟΥΛΙΑ ΜΑΜΑΙΑ ΑΥΓ |
| Obverse design | draped bust of Julia Mamaea, right |
| Reverse inscription | ΝΙΚΑΙΕΩΝ |
| Reverse design | front view of temple with six columns with globe in pediment |
Coin no. 1 of RPC VI, 3137 (temporary)
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| URI | https://rpc.ashmus.ox.ac.uk/coin/260213 |
| Museum | Numismatic Museum, Athens (Greece) |
| Inventory no. | |
| Reference | Zarifis Donation 40 |
| Diameter | 26 |
| Weight | 8.19 |
| Axis | 6 |
| Note |