Stamps Year 1990

PORTUGUESE NAVIGATORS.
Herberth Sierra Licona
PORTUGUESE NAVIGATORS.
Herberth Sierra Licona
UNDERGROUND TRANSIT
carlos ródenas ferré
OWL
carlos ródenas ferré
OWL
carlos ródenas ferré
V Latin American Congress of Botany
Pedro Gruenholz
Discovery of the new world.
Francisco Minguez
VITICULTURE
carlos ródenas ferré
Postal Union Congress of the Americas and Spain
Walter Eduardo Espindola
Postal Union Congress of the Americas and Spain
Walter Eduardo Espindola