1968, 10 February. International Tourist Year, 1968. No’s 660-662

Originally issued in 1964. Palace of The Nation “Leopoldville”

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: 100 (10 x 10)

Circulation: 25,000

 

Overprint text: Année Internationale du Tourisme 24-10-1967

No.660 5K on 50c, violet (no.551)

No.661 10K on 6Fr, purple-brown (no.557)

No.662 15K on 3Fr, green (no.554).

The series:

 

There are no variations or curiosities known for none of the above shown material, although these next two examples of proofs for the metal overprinting could be have been made for this series or the next series (663-666):