Scrimshawed whale tooth

Scrimshawed whale tooth with inscription "Whaling Bark Louisa"

5.5" scrimshaw whale tooth.  Rounded front of tooth is etched with ship at full sail with the inscription "Whaling Bark Louisa" in banner near bottom.  The reves side of tooth has a dock scene with a ship, lighthouse, and front of ship at dock. Age cracking near tip.  Obtained by donor in Avon, Conneticut.   Artist unknown.