* the cardboard window card commemorating the moment President John F. Kennedy was serenaded by Marilyn Monroe at Madison Square Garden ("Happy birthday, Mr. President…"), a very rare poster, with only two known in collectors' circles and besides Monroe it lists Ella Fitzgerald, Judy Garland, and Jack Benny
* the Andy Warhol/Velvet Underground concert poster from The Trip on Hollywood's Sunset Strip in 1966
* concert poster for Billie Holiday, John Coltrane and Ray Charles appearing in 1957 at Carnegie Hall. Others in that night's lineup were Thelonious Monk, Dizzy Gillespie, Chet Baker with Zoot Sims and Sonny Rollins
Also included from the Swartz archive are posters from hallmark performances by Buddy Holly, the Rolling Stones, Bob Dylan, The Doors, Janis Joplin, Led Zeppelin, and the Grateful Dead.