STAMP ISSUES RELATED TO ICAO (1984-1985)

Cameroon: 40^th Anniversary of ICAO

Issue date: 30/11/1984
	Icarus (by Hans Erni). Note that, at the lower-left, there is a spelling error in Erni’s name printed HERNI, although Erni’s signature is clearly spelled at the right side. This error was repeated by Gabon for the 40^th anniversary of ICAO. See at the following link: Gabon – 1984 - 40th Anniversary of ICAO. See more details by clicking on: ICAO and Hans Erni.
	ICAO 40^th Anniversary emblem.
	Boeing 737 of Camair.
	Solar Princess (by Sadiou Diouf). Note that there is a spelling error in the French name of the Organization: de l' is missing. The correct name is: Organisation de l’aviation civile internationale.
Lower corner stamps. Printing date in the selvage: 5 October 1984. Cartor’s logo in sky blue.
Lower corner stamps. Printing date in the selvage: 12 October 1984.
Imperf blocks of four – Lower-left corner. With the Cartor’s logo in light blue and the printing date: 5 October 1984.
Imperf blocks of four with Control Number. The first block shows Cartor’s logo in spring green.
Composite Photographic Proof.
De Luxe Die Proofs (Imperf with control number).
First Day Covers - Printed by EDILA, Geneva, Switzerland. Cancel in black at Yaoundé, the capital of Cameroon.
First Day Covers - Printed by EDILA, Geneva, Switzerland. Cancel in red at Douala, the main economic city in Cameroon.
Background: Cameroon used the three postage stamp designs proposed by ICAO for the 40^th anniversary (see details at the following link: The 40th Anniversary). Catalogues consider the date of 20 December 1984 as the issue date of this set, whereas the First Day Covers indicate 30 November 1984. It shall be noted that the selvages of the stamps indicate the printing dates of 5 October 1984 and 12 October 1984.