Canada
can-20170928-z-014
page = 1
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Width: 560 mm
Height: 430 mm
Location: 24 x 36 Portfolio #13
Stamp ID = 5252
Canada Post office mat advertising the "Legends of Hockey" series of stamps. The mat is printed on cardboard like paper. On one side the lead language is English on the other side of the mat the lead language is French.
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.