"ULTRAMAR": 1890/36 (ca.), unused group of over 50 postal stationery cards, envelopes and reply cards with the security overprints from the Portuguese UPU postal archives for the colonies, incl. "COLONIAS", "SPECIMEN" and "ESPECIMEN", with Curaçao, Dutch Indies and Surinam, together with meter cards, some toning and mixed condition, a very scarce group
