1971, 20 May. 4e anniversary of the Mouvement Populaire de la Révolution. No 777

Design:

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

Paper with silk threads

Perforation: 11,5

Sheet: 25

Circulation:

 

No.777 4k, blue

The series:

 

The imperforated series is in size and coloring exact the same as above:

 

There are no variations or curiosities known for none of the above shown material.