6904-320 LANGLAIS patent angle bisector. Marked with maker name and 6/12/94 patent date, this unique bevel has rotating gears at joint which allow angle of blade to easily move into various positions and then be locked with two cam levers, or blade can be folded into body for storage or transport. Some chips from rosewood handles, but otherwise in nice condition. Good+ (CHS028) 100 - 200