US Vietnam War Era Lighter Lot of 5

Original era manufacture. Lot of five Vietnam War era cigarette lighters, assorted makers markings on the bottoms; 2 Penguin, 1 Zippo, 1 Cornell, 1 Marksman.The Zippo is without decoration, the Cornell is missing an emblem, the Penguins have an engraved decoration, and the Marksman has an enameled Admiral's flag and device on one side.All appear to be complete, the hinge springs work properly, all need a new flint.