Bidspirit auction | W. Sacharov, Russian artist of

W. Sacharov, Russian artist of t - W. Sacharov, Russian artist of the late 20th century, material painting/relief in the spirit of Op Art, acrylic on hardboard with a square recess and a wooden cube mounted therein, signed in Cyrillic lower right, 60 x 60 cm, framed 72 x 72 cm