desc_issuer: Portugal desc_year: 1866 desc_denom: 20r desc_color: bis desc_perf: imperf Related descs: issuer=Portugal-1867-100r Used by 1 overprinted stamp: Madeira postage 1/1/1868 20r bis issue=1868 imperf d=King Luís I (1866) ovpt=MADEIRA oc=blk on=issuer=Portugal-1866-20r-bis-imperf unwmk imperf Not used by any images. Matches 1 type: Portugal postage 7/1/1866 20r bis issue=1866 d=King Luís I (1866) unwmk imperf |