Marked “CHARDOILLET” and “Brevete D’invention Sans Guaranti du Gouvernement” or I’nvention Patent Without Guaranteed Government. 9 3/4 inches long with a 1 5/8 inch iron.
There is a square escutcheon set in the handle where the curved arm goes through. There is a little crack in it. Otherwise the plane is perfect and has never been tampered with.