International Klein Blue pigment and synthetic resin on plaster, mounted to and contained within a Plexiglas case.

1957/1990

case 16 1/4 x 11 1/2 x 11 1/2 in. (41.3 x 29.2 x 29.2 cm)

Incised with artist's insignia and numbered 91/300 in black ink on a label affixed to the underside (there were also 50 hors commerce copies in Roman numerals), published by Editions Galerie Bonnier, Geneva.