Airmail - The 25th Anniversary of the Hermann Oberth Society 1976
Praegu kuvatakse: Paraguai - postmargid - 1976 - Airmail - The 25th Anniversary of the Hermann Oberth Society - 1 margid.
1976
Airmail - The 25th Anniversary of the Hermann Oberth Society
20. august WM: mitte ükski lehe suurus: 1 Gravüür: Lito. Nacional. Porto. Portugal. perforatsioon: 14½
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