Exhibition Phileafrique II

Philatelic exhibition “Phileafrique” held in Essen-Germany (1-5 November 1978) and in Libreville-Gabon (June 1979).
Stamps:
Date of issue: 1 November 1978
Design: P. Lambert
Printing: Cartor s.a., France
First Day Covers (FDC) with Essen-vignette: 1 November 1978
Note: It is very likely that a FDC with the Libreville-vignette exists.
Note: Blanco or airmail envelopes are not shown here but do exist.
Design: Edila
Printed:

Other philatelic material: probably exists because it was an exhibition.