Original sketch titled "Cheese Head" signed R. Lichtenstein - Provenance available

Original watercolour, marker and coloured pencil sketch on paper that was used as an inspirational basis for the lithograph titled "Cheese Head", 1978, signed R Lichtenstein lower right.

Scratch colour pencil markings showing colour selections for the final work on the lower left border.

One drawing from a small private collection with provenance obtained directly from the artist.