Old Cast Iron Double Horse Bit

This Old Cast Iron Double Horse Bit measures 9" wide by 4" high with hinged outer rings measuring 1.5" in diameter.  It is made of six pieces: two simple outer rings; two movable decorative side pieces (shaped like the number 6 with three inner bars), and a double curved bit (one of which has been wrapped with wire).  Maker and exact age are unknown.  This Cast Iron Double Horse Bit is in good condition with no cracks or breaks.  However, its surface has rusted.  Great decorative piece.