China (PRC) 800 yuan stamp commemorating Labour Day (May 1st) 1953.
China (PRC) 800 yuan stamp commemorating Labour Day (May 1st) 1953. -- source link
#china#stamps#labor day#labour day#may#workers#engraving#1950s
China (PRC) 800 yuan stamp commemorating Labour Day (May 1st) 1953. -- source link