Wartime, Zippo lighter that stands 2 1/4 inches tall. The face of the lighter is engraved on the lid:  CPT. CARL G. WINKLER with a MAC V SOG (Military Assistance Command Vietnam Studies and Observations Group) beer can. Note the paint is worn off from wear and is down to the brass body.The lighter is in used condition and will come with a Letter of Authenticity with a reprinted picture of the veteran with the lighter on the desk.