Vintage WW2 FARE FAC DUI Enamaled Pin. Condition is fine. Vintage Fare Fac WWII Military Button Pin Corps of Engineers. Scarlet and white (silver) are colors of the Corps of Engineers and the badge is the map symbol used to represent replacement training centers.The black lion was taken from the coat of arms of the Fairfax family, who were original owners of the land on which the present Fort Belvoir is located.The motto is that of the Fairfax family.Motto: "FARE FAC" lat. (We Teach By Doing). It measures 1 1/4" x 1 1/8". Shipped with USPS First Class Package.