| 1420 AD - 1475 AD | 
| Asper AR 13 | SHH 1459 | 
|   | 
| Parameter Obverse Reverse Notes Reference | 0.68 g   12.4-13.2 mm   7:00
o'clock   VF Arms of Genoa within circle of dots; latin inscription around. Giray thamga within circle of dots; arabic inscription around. Genoese arms in doted circle after 1471 [Retowski] Retowski 230/256 |