Scrimshawed whale tooth

Summary: 
Antique scrimshawed whale tooth with "Whaleship Niger".
Description: 

5.5" standing scrimshaw whale tooth.  ANTIQUE.  On front side of tooth, etching of whaling ship with an achor above, and two eagles below.  Large inscription reads "Whaleship Niger", and smaller inscription reads "Our ship is full home we are bound".  On underside of tooth, etching of a whale being harpooned and whaler's poem.  Tooth is badly fractured.  Beautiful patina.  Very aged.