Vintage 1870's Russell & Erwin Rare Hexagonal hotsell Bronze Knob 600037

This 1870's bronze knob's decorative detail continues on the back with a decorative pattern. This knob is 2 1/4" in diameter. The doorknob ferrules measure hotsell 3/4" in diameter. The knob projects 2". We have one knob available. Piece of loose metal is stuck in interior of knob, yet will not block interior of ferrule from use of spindle.