Replacement knuckle coupler 001

Replacement knuckle coupler – underside

Louis Marx, Streamline, Stream Line, Steam Type, Electric Train, 4313, Pennsylvania 37956, Merchandise Service, 1427, Wabash, WAB 80982, Southern Pacific, 1235, Southern Pacific Lines, Transformer 1239, 50 watts, 110-120 Volts, 60 Cycles, New York