The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
the popular name for a Russian 20-kopek coin. It was first minted from silver in Russia in 1760. In the USSR after 1932 the 20-kopek piece was minted from nickel, and since 1961 it has been made from a white copper-nickel alloy.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.