Portfolio with an original drawing, lithograph title, and ten original color lithograph plates. 19½x13¾, board portfolio with color lithograph cover.

Original watercolor drawing is signed (in charcoal) and titled (in pencil), "Maschinist, 50". The lithographs are signed in pencil. André Thomkins (1930 - 1985) was a Swiss painter, draughtsman and stage designer. He had an admiration for Dada and Surrealism, and studied under Max von Moos at the Kunstgewerbeschule, Lucerne.