KOH001 Koh-i-Noor Advertisement, November 1949, Koh-i-Noor Supreme Pencils by L.C. Hardtmuth. Black and White, American Artist Magazine, 3 x 11.5 inches on full sized 8.5 x 11.5 inch full page. Very eye-catching graphics in the advert. Small ad on right for Art Brown Art Supplies and Artists' Fountain Pens, also a small ad on back for Flax in Chicago.