Bishop, Isabel. SHOWING THE SNAPSHOT. Teller 20. Etching, 1936. Artist's proof signed, titled and inscribed "AP" in pencil, and also inscribed at the bottom right edge "printed 1936." 4 x 3 inches; 100 x 75 mm. A rare proof printed by the artist, long before the edition of 50 published in 1981. In excellent condition.