Vlady's career gained momentum when he was in his forties. In 1966 he received a grant from the French embassy in Mexico to go to Paris and make lithographs. In 1967 he won a medal at the World Homage to Baccaccio in Certaldo, Italy. He was invited to participate in the Confrontación 66 and participated in Hemisferia 68 as well as the World's Fair in Osaka. In 1968 he received a Guggenheim Fellowship and spent a year in New York. Other important exhibitions were at the Santa Barbara Museum of Art, the Museo de Arte Moderno and the Woadington Gallery in Montreal, with his artwork also exhibited in Italy, Brazil and Argentina.