United States
usa-20180607-r-002
page = 1
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Width: 165 mm
Height: 92 mm
Location: Ice Hockey Volume CIX
Stamp ID = 5684
Commemorative cover celebrating the Washington Capitals win of the Stanley Cup in 2018.
Cachet maker is CEC/FM/AFDCS.
From Linn's "Stamp Issuing Entities Of The World" page.
United States of America (1847-)
Stamp-issuing status: active; Population: 248,709,873 (1990). Republic occupying the central portion of North America, along with Alaska, Hawaii and a large number of island possessions in the Caribbean Sea and the Pacific Ocean.