Pulitzer Prize–winning American author (1905–1989) best known for his classic 1946 novel All the King’s Men. Two items: 1964 TLS declining an invitation and sending thanks; and an original color poster (folds as issued) from a 1964 reading at the “Y” Auditorium in Philadelphia, 17 x 22, signed in ballpoint. Mailing gold to letter touching initials, and folds to poster (as issued) and a few very subtle ripples to corners, otherwise fine, clean condition. R&R COA.