Caruso, Enrico. (1873–1921) [De Castro, Adolphe Danziger. (1859–1959)] Original Portrait SketchAn original sketch of the Polish born Jewish scholar, journalist, lawyer and writer, as captured by his friend, the great tenor Enrico Caruso (also an accomplished caricaturist). De Castro is shown in half profile with his distinctive mustache, sketched in pencil. On a piece of notepaper with a large triangle cut away at the upper left. Heavy toning and folding creases; overall very good. 4. 5 x 7 inches (11. 5 x 17. 7 cm). Unsigned, but originally