Mexico 1968 Olympic 40c postage stamp — concentric red & green Op-art stadium

Commemorative Mexican postage stamp (40 centavos) for the Mexico 1968 Olympics. Features a black-and-white illustrated circular stadium or arena silhouette...

• mexico 1968
• postage stamp
• commemorative stamp
• olympic rings
• correos
• 40c
• wyman
• philately
• op art
• stadium illustration
• 1960s graphic design
• vintage lithograph
• postage stamp (perforated)
• concentric circle pattern
• illustrated circular stadium/arena silhouette
• olympic rings emblem
• denomination numerals '40c'
• word 'correos'
• text 'mexico68'
• designer credit 'wyman'
• printed year '1968'

CORREOS 40c MEXICO68 WYMAN 1968 T.I.E.V.