Horszowski, Miecio [Mieczyslaw]. (1892-1993) Signed Childhood PhotographSigned portrait photograph of the prodigy pianist who performed extensively from childhood until age 99! A rare early image by Varischi Artico & Co. of Milan, boldly signed with his name alone to the image and dated 18 March, 1907 on the verso in another hand. 9 x 14 cm and in very fine condition. In 1907, Horszowski was touring extensively throughout the capitals of Europe, during which time he played for Queen Alexandra at Buckingham Palace, as well