European Security and Co-operation Conference, Helsinki 1976
Ora in esposizione: Cecoslovacchia - Francobolli postali - 1976 - European Security and Co-operation Conference, Helsinki - 1 francobolli.
1976
European Security and Co-operation Conference, Helsinki
30. Luglio WM: Nessuno Dimensioni del foglio: 2 Disegno: V. Hložník Dentellatura: 11¾
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