Stamped in ink on base in a rectangle: "Monophone / REG. U.S. PAT. OFF. / [list of patents] / AUTOMATIC ELECTRIC COMPANY / CHICAGO / MADE IN U.S.A."
By 2000, Milwaukee Antique Store; 2000, purchased from Antique Store by Brett Angell; 2006, gift from Angell to the MFA (Accession Date: December 29, 2006)
Gift of Brett Angell