ALS, one page, 5 x 8, personal letterhead, October 8, 1954. In part: “Enclosed please find check for 2.50 for which please mail me…D. G. Mason—The Dilemma of American Music and…Musical Mercury—the number containing the Copland Score as listed in your catalogue.” A few creases, pencil notations, and a staple hole at the top left corner, otherwise fine condition. RRAuction COA.