Hill, Polly Knipp. THREE MONOTYPES: GIRL WITH RIBBONS; BLUE GREEN PLUME; UNTITLED. Printed from etching plates, each about 2 1/2 x 2 1/2 inches. The first two inscribed "monotype" and Monotype & Pastel" respectively, and signed in pencil. The third signed in red in the matrix "P. K. Hill." All in very good condition except for evidence of old tape residue at extreme upper edges of margins, well away from images.