Barrientos, Maria. (1883-1946) Signed Hand-Colored PostcardA lovely hand colored photograph postcard of the Spanish coloratura soprano, with a facsimile signature above and an autograph signature at the left, dated 1905. On the verso, the postcard is addressed to the Argentinian collector Ramona Imaz Otao, with the original stamp and postmark. 3. 5 x 5. 5 inches (8. 7 x 13. 7 cm). "After a short course of singing lessons at the Barcelona Conservatory, [Barrientos] made her dbut at the age of 14 at the Teatro