Vintage 60's M.C. Escher Puddle Print

Vintage late 60's M.C. Escher Surrealist Lithograph Puddle #49 Issued by Parkerhouse Enterprises, Clearlake Highlands, California. Mounted on Crescent Charko-Board #1001. Fading on mounting board evident. 3 of 4 corners of board have a little damage. Still looks great framed.