Oil on board. 28 x 15½in. (71 x 39.4cm.)Signed and dated: ‘Colquhoun/37’ lower right. ProvenanceSotheby’s, studio sale, 24 April 1985, lot 496, ill. b/wExhibitedLondon, Mayor Gallery, 1939, no. 9.London, Peter Jones Gallery, 1939.Harrogate, Art Gallery, 1941, no. 25.London, Gallery Edward Harvane, 1972. London, Leva Gallery, 1974, no. 7. London, Parkin Gallery, 1977, no. 16. London, Mayor Gallery, 1986, no. 36, ill. b/wAccording to the Parkin Gallery catalogue, the work was exhibited at the Hamet Gallery, 1971 and the Penzance retrospective, 1976. If so, it was ex catalogue on each occasion.For a discussion of Colquhoun’s interest in transparent, overlapping forms and planes, and for other works with a similar content, see the note to Rails (1936).