desc_issuer: Shanghai desc_year: 1876 desc_denom: 6ca desc_color: grn Related descs: issuer=Shanghai-1875-3ca-rose-pc=rose issuer=Shanghai-1877-20c Used by 1 overprinted stamp: Shanghai postage 1877 1c grn issue=1877a provisional oc=blk on=1876-6ca-grn perf=15 Not used by any images. Matches 1 type: Shanghai postage 1876 6ca grn perf=15 |