The SWL QSL Museum Argentina Central & South America Radio El Mundo - 1955, 1979, 1983, Sticker QSL Contributed by Phil Finkle (USA) Radio El Mundo - 1979 QSL Contributed by Istvan Kiss (Hungary) Radio El Mundo - 1983  QSL Contributed by Marcelo Toniolo (Brazil) Radio El Mundo Sticker Sticker Contributed by Istvan Kiss (Hungary)