desc_issuer: China desc_year: 1921 desc_denom: 6c desc_color: gray Related descs: issuer=China-1920 issuer=China-1922 Used by 1 overprinted stamp: Sinkiang postage 1921 6c gray ovpt=Sinkiang horiz oc=blk on=issuer=China-1921-6c-gray unwmk Not used by any images. Matches 1 type: China postage 10/10/1921 6c gray issue=25th Anniversary of Chinese Postal Service unwmk |