From 1920,a #4 size Anonymous button filler in Black Hard Rubber, with 9K Solid Gold overlay in Barley pattern. English hallmarks. Near mint+ in original tooled leather box signed “By Appointment Mappin & Webb Ltd. Regent Street, London, W.” Mappin & Webb started in 1775. Their London showroom opened in 1849. They received their “appointment” from Queen Victoria in 1897. They are still in business today, a major jewelry and gift store, and do still sell pens. Indicia engraved “C.W.” Medium, flexible nib. Near mint+