ALS, one page, 5.5 x 8.5, personal letterhead, October 13, 1977. In part: “Things are going much better now, yet I’m sorry again to say that I will not be able to join you for brunch Oct. 23rd. Why not send the books to be signed with a return mailer?” Accompanied by the original mailing envelope, in Aldrin’s hand. In fine condition, with staple holes to upper left corner. R&R COA.