Well, since 123Klan is in town getting ready for their big show opening at CO Exhibitions this weekend, we're really in the Montréal mindstate, so here's a set of three stamps from the 1976 Summer Olympic games, held in their hometown.
Two stamps from Argentina in anticipation of the 1978 FIFA World Cup. Argentina went on to win the tournament by beating The Netherlands in the final game, 3-1.
Related: Here's Gauchito, the official mascot the '78 World Cup: