3 3/4" X 4 1/8" (95mm X 106mm)

(embossed around wire groove) THE OHIO BRASS CO DERIGO

                                                 THE OHIO BRASS CO DERIGO

Picture courtesy Bob Berry

3 3/4" X 4 1/8" (95mm X 106mm)

(embossed around wire groove) MADE IN U.S.A. DERIGO

Picture courtesy Ben Kirsten