World Telecommunication Day - The 50th Anniversary of Consultative Committee on International Radio or CCIR 1979
Ora in esposizione: Sao Tomè e Principe - Francobolli postali - 1979 - World Telecommunication Day - The 50th Anniversary of Consultative Committee on International Radio or CCIR - 4 francobolli.
1979
World Telecommunication Day - The 50th Anniversary of Consultative Committee on International Radio or CCIR
6. Luglio WM: Nessuno Dentellatura: 12¼
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