Renowned American magician (1885–1965) who reached the peak of his popularity in the 1930s and 1940s. Vintage glossy 7 x 9 publicity photo, signed and inscribed in fountain pen, “To Lindhorst, one horsethief to another, Harry Blackstone, 10-28-1945.” A few dings and light wear to edges, otherwise fine condition. R&R COA.