Bolivia

1991 The Spectacled Bear

1991 The 50th Anniversary of the Bolivian Radio Club

1990 Winter Olympic Games – Albertville, France

1990 Winter Olympic Games – Albertville, France

1990 Express Mail Service

1990 Visit of President Carlos Salinas de Gortari of Mexico

1990 “Exfivia 90” National Stamp Exhibition

1990 The Fourth Andean Council of Presidents, La Paz

1990 Visit of President Rodrigo Borja Cevallos of Ecuador

1990 Christmas, Rights of the Child