Dug Goodyear's Patent 1851 Hard Rubber Mustache or Nit Comb

Dug Patent 1851 hard rubber Nit or mustache comb. It has a depressed maker mark on one side and is missing a number of teeth. It measures 3 1/2" wide and 1 5/8" tall. It was recovered in an 1850's privy in Northern, NJ. $12