Airmail - Literacy Year and Winter Olympic Games - Lake Placid, USA 1980 - Overprinted "1980 ANO DE LA ALFABETIZACION" 1980
现在展示： 尼加拉瓜 - （通用）邮票 - 1980 - Airmail - Literacy Year and Winter Olympic Games - Lake Placid, USA 1980 - Overprinted "1980 ANO DE LA ALFABETIZACION" - 1 邮票.
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