desc_issuer: Shanghai desc_issue: 1866b desc_denom: 6ca Used by 2 overprinted stamps: Shanghai postage 1875 1ca issue=1875 provisional d=dragon antique numerals oc=blk on=issue=1866b-6ca Shanghai postage 1875 1ca issue=1875 provisional d=dragon antique numerals oc=red on=issue=1866b-6ca Not used by any images. Matches 1 type: Shanghai postage 1866 6ca issue=1866b d=dragon antique numerals |