The 15th Anniversary of European Security and Co-operation Conference, Helsinki 1990
දැන් පෙන්වන්නේ: චෙකස්ලෝවැකියාව - තැපැල් මුද්දර - 1990 - The 15th Anniversary of European Security and Co-operation Conference, Helsinki - 1 මුද්දර .
1990
The 15th Anniversary of European Security and Co-operation Conference, Helsinki
21. June WM: කිසිවක් නැත මෝස්තරය: B. Votruba කැටයම: M. Srb සිදුර: 12 x 11½
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