Arms 345; Fletcher 340 i/III. Edition of 115. Demonstration Series #93; produced for NBC Studios, Rockefeller Center, New York. Signed and dated in pencil lower right: “John Taylor Arms 1940”; inscribed in pencil lower left: “Sketch, Shadows in Mexico / Etching / Demonstration Plate etched for television broadcast of ‘How to Make an Etching’ given at studios of / National Broadcasting Company, New York City, July 26, 1940 / Demonstration Plate No. 93 / First and only state / Edition – undetermined on 10/7/40”. Collector’s stamp lower left recto: Margery Arms Roberts. A fine impression in fine condition with full margins.