American artist (1848–1933) whose innovative designs, most notably stained-glass windows, distinctive lamps, and “Favrile” vases, represent the pinnacle of American decorative arts in the late nineteenth and early twentieth centuries. Partially printed DS, signed “Louis C. Tiffany,” one page, 8.5 x 3.5, January 2, 1923. A document approving a proxy to represent Tiffany at a stockholders’ meeting. Light fold touching one letter of signature, otherwise fine, clean condition. LOA John Reznikoff/PSA/DNA and R&R COA.