Study For Bedroom Painting No.42, A Tom Wesselmann Limited Edition (Hand numbered #38/450) Lithography Print. Embossed Stamp of S.P.A.D.E.M. Paris. Sheet size: 19.7" x 27.5" (50 cm x 70 cm). About Artist: Thomas K. Wesselmann (February 23, 1931 – December 17, 2004) was an American artist associated with the Pop Art movement who worked in painting, collage and sculpture.