Museums XIV General Conference of the International Council of Museums – Year 1987 Sheet Block with 8 Postage Stamps representing pieces of: National Historical Museum of Spanish Art Enrique Larreta Museum of Patagonia (San Carlos de Bariloche) Museum of Natural Sciences (La Plata) Historical Museum of Entre Ríos (Paraná) Historical Museum of the North (Salta) Provincial Archaeological Museum (Santiago del Estero)