Vier Vierkanten Gefreesd in Vierkant (Four Squares Cut in Square)

Ad Dekkers (1938-1974) Vier Vierkanten Gefreesd in Vierkant (Four Squares Cut in Square) signed, titled, inscribed, dated and with artist's label 'VIER VIERKANTEN GEFREESD IN VIERKANT AD DEKKERS 1972' (on the reverse) painted wood relief 120 x 120cm. Executed in 1972