Composer (1859–1924) best known for such popular operettas as Babes in Toyland and Naughty Marietta. ALS, one page, 7.5 x 10, personal letterhead, March 14, 1921. Polite letter declining an invitation. In part: “I am very sorry not to be able to accept your invitation to speak at Mr. Belarin’s dinner…I have an engagement in Pittsburgh.” In very good condition, with intersecting folds, one through a single letter of signature, trimmed left edge, a few creases, and a uniform shade of toning. RRAuction COA.