First Day Cover
首日封
Sobrescrito de 1.º Dia
China
50th Anniversary of China-Mexico Diplomatic Relations (China-Mexico Joint Issue)
Date of Issue : 14 February 2022
2-1 : Dengfeng Observatory
2-2 : Pyramid of Kukulcan
Sobrescrito de 1.º Dia
China50th Anniversary of China-Mexico Diplomatic Relations (China-Mexico Joint Issue)
Date of Issue : 14 February 2022
2-1 : Dengfeng Observatory
2-2 : Pyramid of Kukulcan
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