Initialled and dated by the artist in pencil. Numbered from the edition of 25.
"These screenprints were adapted from drawings Knowles originally made as preparatory studies for his sculpture, but which he also considers separate works. The source drawings were made of geometrical shapes cut from brightly coloured paper collaged onto graph paper in a variety of arrangements. 'S.148.01' consists of two adjacent squares of solid, flat colour, one red and one yellow, positioned on the page so that they touch along half of one side." - quotation Tate