Monday, July 20, 2020

 Astronomy 


FDC's, commemorative postmarked on January 21, 2020 from Taipei temporary post 

FDC's, commemorative postmarked on January 21, 2020 from Nantou temporary post 

FDC's, commemorative postmarked on January 20, 2020 from Hsinchu temporary post 

FDC's, commemorative postmarked on January 20, 2020 from Taichung temporary post 

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