1991 AD., USSR, Leningrad mint, 1 Rouble commemorative Ivanov, Y 282.

Russia, Union of Soviet Socialist Republics (USSR or, in cyrillic, CCCP), Leningrad (St. Petersburg) mint, commemorative issue: 101st birth anniversary of Konstantin Vasilyevich Ivanov, designer: E. M. Yuriev, 1991 AD.,
1 Rouble (31 mm / 12,65 g), copper-nickel-zinc, mintage 2.500.000 ( 350.000 specimens in proof quality ),
Obv.: 1890 / 1915 - К. В. Иванов , his head facing left.
Rev.: CCCP / 1 / РУБЛЬ / 1991 , national arms with CCCP, value and year below.
Edge: ОДИН РУБЛЬ • ОДИН РУБЛЬ • ("one ruble one ruble")
Y 282 .

Konstantin Vasilyevich Ivanov (Russian: Константин Васильевич Иванов) was a Chuvash poet.
The Chuvash people (Chuvash: Чăвашсем; Russian: Чуваши) are a Turkic ethnic group, native to an area stretching from the Volga Region to Siberia. Most of them live in Republic of Chuvashia and surrounding areas, although Chuvash communities may be found throughout all Russia.