Iconic form, 45” length with tapered rectangular shaft and bent wood arm rest with mortise and tenon joint locked with a wood wedge.  See Civil War Collector’s Encyclopedia p.83 for four examples, inferior in form to this. The battlefield remedy for limb wounds, arm or leg, was amputation, necessitated by limited time and resources and to minimize infection which was fatal. Massive numbers of men fighting on either side finished the War on crutches such as this, but few compare for elegant character.