Airmail - International Stamp Exhibition "PRAGA '78" - Prague, Czech Republic 1978
现在展示： 蒙古共和国 - （通用）邮票 - 1978 - Airmail - International Stamp Exhibition "PRAGA '78" - Prague, Czech Republic - 1 邮票.
1978
Airmail - International Stamp Exhibition "PRAGA '78" - Prague, Czech Republic
5. 九月 窗口管理器: 空缺 纸张规格 : 1 筛孔: 12
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