THIS IS AN ANTIQUE VICTORIAN ERA CAST IRON SEWING BIRD CLAMP IN GOOD CONDITION.  THE CLAMP HAS A DESIGN THAT LOOKS LIKE A LAIR AND A PIVOTING SECTION THAT GRIPS FABRIC BEING SEWN.  THE CLAMP MEASURES ABOUT 3 7/8" LONG AND WOULD BE GREAT FOR A COLLECTION OR TO USE.  SEE PICS.