The 10th Anniversary of Organization of Petroleum Exporting Countries or O.P.E.C. 1971
Sýni: Líbýa - Venjuleg frímerki - 1971 - The 10th Anniversary of Organization of Petroleum Exporting Countries or O.P.E.C. - 2 frímerki.
Sýni: Líbýa - Venjuleg frímerki - 1971 - The 10th Anniversary of Organization of Petroleum Exporting Countries or O.P.E.C. - 2 frímerki.
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