National arms divide СССР above inscription, circle surrounds all.
Obverse script
Cyrillic
Obverse lettering
ПРОЛЕТАРИИ ВСЕХ СТРАН,
СОЕДИНЯИТЕСЬ!
СС СР
ОДИН
ПОЛТИННИК (Translation: Workers of the world, unite! USSR One Poltinnik)
Reverse description
Blacksmith at anvil; date.
Reverse script
Cyrillic
Reverse lettering
1924г (Translation: 1924 year)
Edge
Lettered edge: fine weight of the coin is specified mintmaster
Mint
Heaton and Sons / The Mint Birmingham (Heaton and Sons / The Mint Birmingham Limited),United Kingdom (1850-2003) Saint Petersburg / Leningrad / Petrograd, Russia (1724-date)