Canada
can-20170601-z-003
page = 1
Click here for higher resolution image
Width: 560 mm
Height: 700 mm
Location: 24 x 36 Portfolio #12
Stamp ID = 5249
Canada Post poster advertising the "Canada 150" series of stamps containing the celebration for the 1972 hockey Summit Series between Canada and the Soviet Union, can-20170601-s-001. The poster is printed on both sides, but the sides are identical.
From Linn's "Stamp Issuing Entities Of The World" page
Canada (1851-)
Stamp-issuing status: active; Population: 29,123,194. An independent state within the British Commonwealth, occupying the northern part of North America.