Several pages in very good condition for its age with some some spine/edge creasing/wear and some other light general wear/handling --- please see pictures for condition and ask questions in advance if helpful.   Any small light round shadow in middle right area is just camera lens shadow not on program.

Also listed now 4 International Brotherhood of Magicians Convention programs 1927-1930,  an Abbott's #6 magic tricks catalog from 1940, a Tiny Grant's magic tricks catalog from 1946 and a 1947 Magic Limited Lloyd Jones Oakland California magic catalog and a 100 Years Magic posters book by Charles & Regina Reynolds ---  and have ~100 cardboard magic posters including large set of early IBM window cards from these first/early conventions that have to consider in the future.

Wikipedia:  "Harry Bouton Blackstone (born Henry Boughton; September 27, 1885 – November 16, 1965) was a famed stage magician and illusionist of the 20th century. Blackstone was born Harry Bouton^[1] in Chicago, Illinois.^[2] He began his career as a magician in his teens and was popular through World War II as a USO entertainer.^[3] He was often billed as The Great Blackstone. His son Harry Blackstone Jr. also became a famous magician. Blackstone Sr. was aided by his younger brother, Pete Bouton, who was the stage manager in all his shows.^[4] Blackstone Sr. was married three times. Blackstone Jr. was his son by his second wife."