Scrimshawed whale tooth

Summary: 
Antique scrimshawed whale tooth with inscription "Neptune's Court at the Equator".
Description: 

4.5" standing scrimshaw whale tooth.  2" wide at base. ANTIQUE. On the front of the whale tooth, a view of a whaling ship.  On the underside, an etching of a scene inscibed "Neptune's Court at the Equator" with Neptune holding his trident and addressing sailors.  Compass etching on both sides of tooth, with a checked border on top and bottom of tooth.  Purchased by donor from collection in New Jersey.