John F. Kennedy/ Marilyn Monroe signed silver certificate. 2x6 inches On May 19, 1962, Marilyn, clad in a curve-hugging sequined dress, sang a breathy rendition of the song for JFK (on his request, mind you). While rumors of an affair ran rampant after the event and pictures have been doctored over time to show them together the only photographic evidence of them that exists is a shot of Marilyn, John, and Bobby Kennedy having a conversation during a party at the home of movie executive Arthur Krim after she performed.