2x3.75" piece of white linen with "The San Francisco Hilton" stamp. 7-1/8x10.5" letter on the San Francisco Hilton letterhead dated December 28, 1964. Letter is to "Shanie" and thanks for Christmas card/thank you note. As a return thank you, the Hilton has enclosed a rough-cut piece of sheet from one of the rooms The Beatles occupied on their August 18-19 stay at the Hilton. Letter has been folded twice for mailing and comes with original envelope which measures 3.75x7.5". Letter has been postmarked December 26, 1964 and has obvious wear to envelope flap but front remains quite presentable with light aging and some postal wear. Letter is Exc. Envelope Fine. Sheet N. Mint. An interesting piece of Beatle memorabilia.