This is a special desk set made by the Sumter Telephone Manufacturing Company for the U.S. Coast Guard Signal Corps. It is a screw top split shaft with a transmitter tag that says: "U.S.C.C-CB". On the base is a tag that says "Desk Stand, Common Battery U.S. Signal Corps. No. 1350". Also has a marked Sumter receiver. Several telephone companies manufactured telephones for the military, even before the turn of the century. This is a historically significant telephone found in the New York area.