acrylic on canvas

signed 'Vasarely' lower right; further signed, titled, inscribed and dated 'VASARELY - No 999B "BISTALT" 1969 Vasarely' on the reverse

199.4 x 119.4 cm (78 1/2 x 47 in.)

Painted in 1969, this work is accompanied by a certificate of authenticity signed and dated by the artist.