Between 1920 and 1930 years This is a vintage military headset radio receiver from Acme Specialty Co. It is a unique collectible item for those interested in Militaria. The headset is made in the United States and has been modified, adding to its historical significance. The radio receiver is designed for use with headphones and is perfect for collectors or anyone interested in vintage military equipment. It is a great addition to any collection of radios, surplus items, or Militaria. This item has not been tested. It is a very old vintage item that May not work or may work with some repairs. It has scratches, scuffs, discoloration, frayed cord, and the cord and headset may have some dirty spots still. Overall this item is in good vintage condition. Quick sale As is $10.00