The product is an original US Army DUI, DI, Crest for the 145th Aviation Company "Beercan" from Vietnam. This collectible item represents a piece of militaria history from the Vietnam War era, making it a valuable and sought-after item for collectors and enthusiasts of military memorabilia. The DUI, DI, Crest serves as a tangible symbol of the service and sacrifices made by the soldiers of the 145th Aviation Company during the conflict in Vietnam.