Soviet Union
sov-19720410-p-001
page = 1
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Width: 147 mm
Height: 104 mm
Location: Ice Hockey Volume LXXXIII
Stamp ID = 4246
Post card shows the Palace of Sports in Vilnius, Lithuania. Built in 1971 it was closed in 2004.
From Wikipedia "Postage stamps of the Soviet Union"
Stamps of the Soviet Union were issued in the period 1923 to 1991. They were labeled with the inscription Russian: "Почта СССР" ("Post of the USSR").