A genuine Zippo lighter dated 1973 with a U.S. Navy (USN) metal emblem to front. It features the manufacturer's machine stamped base that shows the correct period Zippo logo and date markings along with BRADFORD PA and the trademark logo, the date markings shows one vertical line on the left side of the Zippo logo this indicates it was made in 1973. The lighter mechanism also features machine stamped Zippo markings and fits nicely in the case and appears to be in working order.