60e anniversary of the maiden-flight for the scheduled Sabena connection Brussels-Kinshasa, 1985 (1935-1985)

 

First Day Covers (FDC):

Design:

Editor:

Note: Blanco or airmail envelopes are not shown here but do exist.

 

FDC Block 59 perforated:

 

FDC Block 59 imperforated: Not known to exist.

 

Souvenir: 19 February 1985.

This envelope was made to celebrate the 60e anniversary of the maiden-flight for the scheduled Sabena connection Brussels-Kinshasa (1935-1985).

They are numbered (lower right). Circulation: