Famed Italian tenor (1873–1921) whose unprecedented popularity, which extended well beyond the realm of opera, made him the first superstar of the recording era. Original ink self-portrait profile sketch on the correspondence side of a 3.5 x 5.5 postal card, signed “Enrico Caruso, 1913.” The address side bears a 1d Australian stamp. In very good condition, with edge toning from previous framing, ink a shade light, and a touch of mild edge wear. LOA John Reznikoff/PSA/DNA and R&R COA.