It's a Russian coin. Coins of that era are normally overstruck so yours might be one too. Definitely looks to be in a nice conditon - betters photos would help.
My partial coin collection
http://www.omnicoin.com/collection/gxseriesMy numismatics articles and collection:
http://www.gxseries.com/numis/numis_index.htmRegularly updated at least once a month.