Great program, 9.75 x 7.25, 14 pages, for “An Evening with Maria Callas and Giuseppe Di Stefano,” at the Royal Festival Hall in London, November and December 1963, with a portrait of the pair on the cover, signed by both in black ink on the first page. In fine condition, with a bit of creasing to the spine, creasing to the lower right corner and a small area of trivial soiling on the first page and a few unobtrusive pencil notations within. R&R COA.