Spherical ball in Plexiglas and aluminium signed Henri Gabriel. D: 30 cm. Enclosed is a brochure entitled "Henri Gabriel, optique et cinétique" published by Quadri Gallery in 1991. Texts by Emiel Bergen, Jean Coquelet, Jo Delahaut, Henri Gabriel, Frank Popper

Wall sculpture in transparent, red and black Plexiglas by Henri Gabriel, unsigned. 65x65 cm. Enclosed is a brochure entitled "Henri Gabriel, optique et cinétique" published by Quadri Gallery in 1991. Texts by Emiel Bergen, Jean Coquelet, Jo Delahaut, Henri Gabriel, Frank Popperde

Transparent and blue Plexiglas module signed Henri Gabriel and dated 1954 (1 missing, + 3 plates to be reattached). 65x65 cm. Enclosed is a brochure entitled "Henri Gabriel, Optique et cinétique" published by Quadri Gallery in 1991. Texts by Emiel Bergen, Jean Coquelet, Jo Delahaut, Henri Gabriel, Frank Popper

Square sculpture in Plexiglas and aluminium by Henri Gabriel, unsigned. Damage. 36x36 cm. Enclosed is a brochure entitled "Henri Gabriel, optique et cinétique" published by Quadri Gallery in 1991. Texts by Emiel Bergen, Jean Coquelet, Jo Delahaut, Henri Gabriel, Frank Popper