X, Y, Z; from the alphabet series The three letters X, Y and Z in paper on wood, metal on wood and textile on cardboard on wood, all circa H. 35 x W. 25 x D. 3 cm The four colour photographs in three plexiglass cases, all circa H. 52 x W. 77.4 x D. 5.8 cm The three texts in silvercolour print, signed, titled and dated Summer 1974 l.r., in plexiglass case, all circa H. 52 x W. 77.4 x D. 5.8 cm Provenance: - John Gibson Gallery, New York City (1997) - Private collection, the Netherlands Exhibition: Los Angeles County Museum of Art, Photography and Art 1946 - 1986, 4 June 1987 - 3 April 1988 (9x)