1990 Burlington Northern RailRoad First in Safety Award Metal Plate

1990 Burlington Northern RailRoad First in Safety Award Metal Plate. I have in Great Shape a 1990 Burlington Northern the Dakota Division, quoted on it is First In Safety and Where Safety and Service are a Tradition, and on the backside it says In appreciation for your safety efforts signed by General Manager M.L Holstern, I believe it is made out of a Heavy aluminum, a magnet will not stick to it, or it is a Heavy Pot Metal, it measures 10-5/8-inch around, asking $25.