Antique Hunting Brooch / Pin / Hat Pin 

• the metal may be silver but there are no markings confirming this
• at the centerpiece are Teeth, Bone or Antler Silver 
• Vintage Jewelry piece measures about 1 x 1" and weighs about 4g
• has a "J" hook closure
• no markings, but possibly German
• shows wear and tear including tarnishing