1967, 16 October. First Maiden-flight BAC-111, 1967. No 657

Originally issued in 1963, Air Congo no.517

Design: Jean van Noten (1903-1982)

Paper: with silk tread

Printer: Hélio Courvoisier, s.a., La Chaux De Fonds (Switzerland)

Overprint:

Perforation: 11.5

size:

Sheet:

Circulation: 150,000

 

Overprint text: 9,6K 1er VOL BAC, One Eleven, 14/5/67

No.657 9,60K on 7Fr (no.517)

 

Reversed overprint (in O.C.B.):

 

Two examples of double overprint (not in O.C.B.):