What influenced Patrick caulfield to paint still life ingredients?

Original screenprint in colours. 1967. Signed in pencil. Numbered (39) from the edition of 75 (plus 10 proofs). Printed at Kelpra StudiOS, London 1967. Issued by Editions Alecto, London 1967.
Ref: Dempsey - Caulfield The Complete Prints no 7
Note: One of Caulfield's earliest and most important prints.

Excellent impressions with brilliant colours. On smooth pale cream wove paper, overprinted to the full sheet size. Surface of the sheet in Excellent condition; one or two tiny pin holes at the upper sheet edge retouched. Image to full sheet size, as issued. Sheet: 557 x 914mm. 22 x 36ins.