met typographische opdruk - 'Postal History - Covers'

Kwaliteit: ✉

1910 N° 35L ‘50c. olive’ with ‘CONGO BELGE’ typo overprint, locally cancelled with Type 5, and ‘25c. blue’ and ‘1fr. carmine’ with the same overprint typo, registered post sent from Leopoldville on 17 March 1910 to Libreville, tariff and very rare mixed franking, sent by the Léopoldville postmaster, certificate by Luc Vander Marcken, very fine