Bidspirit auction | Robert A. Nelson lithograph with

Robert A. Nelson lithograph with Collage - Robert A. Nelson Lithograph with Collage  'Sheep', 1976, sighed at the lower right, one of 20.  Dimensions: sight is 27 1/2in x 39in, the frame 29in x 40in.  Provenance: Collection of Madge Goldman, Bryn Mawr, Pennsylvania   Condition: Minor toning at the margins, not examined out of the frame.