New York: Baker Street Irregulars, Program for the 1979 annual dinner to celebrate the 125th birthday of Sherlock Holmes. Single sheet folded. Illustration on front by Diane Nolan. Signed on the rear cover by 13 of the Baker Street Irregulars, including: Isaac Asimov, mathematician Banesh Hoffmann, Robert L. Fish and Albert Silverstein. This copy belonged to BSI contributor Harlan Umansky, with his signature on the front cover. Near Fine. Minor shelfwear along the edges. Measures 5.5 x 8.5 inches when folded. Near Fine.