Constantino, Florencio. (1869–1919) Signed Portrait PostcardRare signed postcard showing the Spanish operatic tenor, Golden age rival of Caruso and Bonci, who, in the course of his international career, earned a reputation as one of the most difficult performers of his day. The postcard is signed and poetically inscribed in fountain pen in Spanish and signed F. Constantino, adding Madrid 27 12 1904, next to his image. Addressed on the verso to the Argentinian collector Ramona Imaz Otao, with the original