 He received numerous awards in subsequent years, including the Grand Prize of Honor of the Argentine National Hall (1961), the Medal of Honor at Expo '58 (Brussels, 1958), and a special mention for his drawings at the II Mexico City Biennale of 1962.His illustrations for a EUDEBA (University of Buenos Aires Press) edition of José Hernández's "Martín Fierro" (the national poem of Argentina), gained wide recognition.Castagnino died in Buenos Aires in 1972.