Haring, Keith. (1958–1990) [New York City Ballet]. 1988 American Music Festival Poster - SIGNED. Original color screenprint poster created for the 40th Anniversary of the New York City Ballet 1988 American Music Festival, one of a series of 11 artist's posters, from the unnumbered edition of 800, this copy signed and inscribed in black ink by the American artist, "For John + Jane, With Love, Keith 88" to the lower left corner.  Printer's imprint: "Printing courtesy of Phillip Morris Companies Inc." 35.5 x 24 inches.  Minor bumping to edges and corners, else fine.