Armenia 1 Stak RARE Pattern Proof 1991 Coin

Armenia 1 Stak RARE Pattern Proof 1991 Coin, nickel-copper, only 2000 minted at the Leningrad Mint. They were supposedly struck as souvenir coins to award earthquake participants for the 1988 Spitak earthquake. This earthquake occurred in Armenia December 1988 and the rest were sold as fundraising event for the earthquake relief. More information can be found here (article in Russian): http://www.armeniancoins.narod.ru/11.html#12288