Antique/Vintage Matte Black Ketcham & McDougall NY Retractable Chain Brooch

This is an antique/vintage Ketcham & McDougall NY retractable chain brooch with a matte black front. The back is very tarnished and is likely brass. The loop is misshapen and needs to be repaired. The chain works pretty well for its age. Overall, the piece is in pretty good shape. Approximate Dimensions: Diameter 1in Chain Length 14.75in