Héctor Blaz Rodríguez

Stamps Year 1975 . Héctor Blaz Rodríguez

Centenary of the postage stamp, 1871
Guatemala
10th Anniversary of the National University of Kigali
Rwanda
International Year of Books and Reading
Guatemala
Art and Science of Mexico: Biology
Mexico
Art and Science of Mexico: Biology
Mexico
Art and Science of Mexico: Biology
Mexico
Art and Science of Mexico: Biology
Mexico
Art and Science of Mexico: Biology
Mexico
Saint Mary of Christopher Columbus
Equatorial Guinea
Independence House and Union Flag
United States