Occussi-Ambeno ... 1990 stamps

Occussi-Ambeno: 1990 stamps.

Round-the-globe zeppelin flight (1990) The Penny Black, world's first stamp (1840). Lt Charles Wilkes who discovered Antarctica (1840).

1990. Round-the-World Flight of the Occussi-Ambeno zeppelin, "Malatesta".

1990. Bicentennial of the Birth of Dr Samuel Hahnemann.

1990. 150th Anniversary of the World's First Postage Stamp, the "Penny Black".

1990. First Airship Flight from Occussi-Ambeno to Sonné.

1990. 150th Anniversary of the Discovery of Antarctica by the Wilkes Expedition.

1990. 20th Anniversary of the Founding of Mevu.

1990. ICIS Year of Plankton.

Some of the stamps had the overprint inverted. The Penny Black, world's first stamp (1840). The polychrome hues of this beautiful stamp marked a welcome return to multicolor stamps by the Sultanate.