50th Aniversary of Rotary International.
Date of issue: 10th of September 1954.
OBC/COB numbers: 952-954
Created by : Jean Van Noten / Leon Janssens
Perforation: 11 1/2
Composition of the sheets: 30
Printing Process: Steeldeepprint
Number of plates: 1-2-3-4
Printing Run: 952 -18.479.433ex ; 953 - 5.255.715ex ; 954 - 4.605.645ex ;
952 - 20c - Logo
953 - 80c - Mercurius and the sea
954 - 4F+4F50 - Logo and the world