Ruy Lopez

Cuba   March 15, 1976       Grandmasters

138. Ruy Lopez

Kampuchea   August 28, 1986       Stockholmia

390. Ruy Lopez

Guinea-Bissau   June 1, 1988       Finlandia 88 - International Stamp Exhibition, Helsinki

432. MS - Ruy Lopez

Laos   November 22, 1988      

457. Ruy Lopez