1973 Canada Post Commemorative Stamps annual set x2 unopened

This is the collector's annual pack from the year 1973. Unopened, brand new. Contains 22 mint condition stamps including: 611, 612, 613, 614, 615, 616, 617, 618, 619, 620, 621, 622, 623, 624, 625, 626, 627, 628. This includes 2 unopened packages. Great gift for the nostalgic collector, historian, or loved one who was born in 1973! :). #CanadianHistory