IRVING BLUM AT HOME WITH ANDY WARHOL'S 32 CAMPBELL'S SOUP CANS IN 1962. © WILLIAM CLAXTON, COURTESY DEMONT PHOTO MANAGEMENT, LLC.

FERUS GALLERY ANNOUNCEMENT FOR THE JULY 1962 WARHOL SHOW, COURTESY THE COLLECTION OF THE ANDY WARHOL MUSEUM, PITTSBURGH.

WARHOL, BLUM, BILLY ALBENGSTON, AND DENNIS HOPPER AT THE OPENING OF THE MARCEL DUCHAMP SHOW AT THE PASADENA ART MUSEUM IN 1963.

WARHOL AT THE FACTORY WITH BLUM, 1963.

WARHOL SHOPS FOR CAMPBELL'S SOUP AT A GRISTEDES MARKET.

BLUM AT WARHOL'S STUDIO IN 1964

FROM LEFT: NICO, BLUM, WARHOL, AND ED RUSCHA IN LOS ANGELES, 1966.

A PORTRAIT OF BLUM

ANDY WARHOL'S CAMPBELL'S SOUP CANS, 1962. SYNTHETIC POLYMER PAINT ON 32 20"X 16" CANVASES. © 2012 THE ANDY WARHOL FOUNDATION, COURTESY THE MUSEUM OF MODERN ART, NEW YORK.

IRVING BLUM AND JASPER JOHNS, 1964.

BLUM AND ROY LICHTENSTEIN, 1964.

BLUM AND PEGGY MOFFITT, 1964.

LARRY BELL (FAR RIGHT), BLUM, JANE FONDA, BROOKE HAYWARD, AND OTHERS IN MALIBU, 1964.

ED MOSES, JOHN ALTOON, BILLY AL BENGSTON AND BLUM IN FRONT OF FERUS, 1959.

BLUM ON THE "FERUS" BOAT, WITH PEGGY MOFFITT AND OTHERS, 1960.