Portugal
Covers and stamps / Portugal / Postage dues / Proofs / Explorers
1898 Postage Due Die Proof without value in grey-black. Depicting Vasco da Gama at Calicut, India. On normal paper in actual size, hinged, fine condition.
1898 Postage Due Die Proof without value in grey-black. Depicting Vasco da Gama at Calicut, India. On normal paper in actual size, hinged, fine condition.