Antique Edward Todd Gold Filled Engraved Pencil Mechanical

Description

No maker's mark but imprinted PAT. 58001 (which was awarded May 24, 1921).  Imprinted "14K".  Shallow dent/scratch on nose cone above 14K imprint (see left side of 4th photo).  Works fine.  Eraser plug is removed with difficulty and eraser is pretty much petrified.  Should be replaced.  Weighs 19.5 grams and is 12.85 cm long.