An antique square advertising tray for the Cheatham Switch Company of Louisville, Kentucky, dating from the early 20th century. This item was likely produced as a promotional desk accessory or pin tray. It is constructed of cast metal, potentially brass or bronze, with a golden finish. The design features a recessed center on the top side surrounded by a border of alternating raised oval beads and bars. The reverse side serves as the primary advertising face, displaying the same decorative border surrounding a central scalloped cartouche with embossed text. The text reads: CHEATHAM, SWITCH, TRADE MARK REG., followed by a horizontal dividing line with a central dot, and LOUISVILLE, KY., U.S.A. The Cheatham Electric Switching Device Company was known for manufacturing automatic electric switching devices used in municipal street railway systems. Dimensions: Approximately 3.5 inches by 3.5 inches.