1971 EMX games in Helsinki, Finland commemorative Finnish ten-mark silver coin in its display pouch, in the vinyl carrying case, along with the coin's commemoration description in Finnish and Swedish.  
One owner, purchased in Finland, stored in the sock drawer.  Some tarnish.  These had a minting of 1,000,000 pieces.  Legal tender at the time, although Finland now uses the euro.  There is an indent on one edge of the coin (photos 8 and 9).  Some tarnish.  The display window shows rub marks (photos 2, 3, and 4).