1972 Summit Series 
Hockey Pucks

These beautiful pucks feature a player head shot on one side, and the beautiful "Team of the Century" logo on the other. I'm not sure if the set includes every player or just certain players. Keith Lenn estimates the value of each puck to be $6.00, although they tend to sell on Ebay for less.

Dennis Kane has more.

Dennis Kane also has this unique puck display: