Antique scrimshaw whale's tooth by Naval Engagement engraver

Choice antique scrimshaw sperm whale's tooth attributed to the NAVAL ENGAGEMENT ENGRAVER circa 1850. Engraved with a British naval BRIG firing its cannon. The reverse depicts a whale hunt and the whaleship. Red colorations in the flags. Very good condition with minor chip to the tip and chip/loss to the edge. Size: 6 inches long. Sorry, sold.