Early Mordan & Riddle pencil. Fully and clearly hallmarked for London, 1830 (SM GR). Has the earliest of stamps on it “S. Mordan & Co’s. Patent”. In excellent condition although it is missing the tip of the pencil. Waffle cap. Finial does not unscrew.
"S. Mordan & Co's. Patent", "SMGR", hallmarks for London, 1830