15 Kopeks (1931-1934)
O
Hammer and sickle above sun with rays, all within wreath, star above
ΠPOΛETAPИИ BCEX CTPAH, COEДИHЯЙTECЬ!
R
Worker with hammer standing right, holding shield bearing 15, date above shield
COЮЗCOBETCKИX COЦИAЛИ date 15 KOП CTИЦECKИX PECПУБЛИK