This is a antique whales tooth, it measures 6 7/8" tall, and has a nice old patina.
Antique Clean Whales Tooth with old Patina
19th Century Matching Whales Teeth. These teeth measure 7 1/2" & 7 1/8". They weigh 1lbs 7.4 oz, & 1lbs 8 oz. One side of each is smooth ready for scrimshaw, the other side is rough. These are a fine example of a pair of whales teeth.$ 7,000.00 USD.
19th Century Matching Whales Teeth
Antique 6 1/2" rough Whales Tooth This is an rare antique rough cut Whales Tooth it looks to be in good condition. $ 1700.00 USD