
right|thumb|1997 kopeyka (Russian ruble|Russia) right|thumb|1992 kopiyka (Ukrainian hryvnia|Ukraine)
right|thumb|1997 kopeyka (Russian ruble|Russia) right|thumb|1992 kopiyka (Ukrainian hryvnia|Ukraine)
The kopeck, also spelled kopek, is a coin or unit of currency used in Russia and several other countries. It is usually the smallest denomination within a currency system and is equal to ruble.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).