Doug Perrine / Historic scrimshaw work, Sperm whale teeth decorated with whaling scenes, Azores, Atlantic

David Tipling / Scrimshaw with a King penguin carved on a Sperm whale (Physeter macrocephalus) tooth by whaler at Leith Harbour, South Georgia

Tony Wu / Sperm whale (Physeter macrocephalus) tooth scrimshaw on display at the Nantucket Whaling Museum, Massachusetts, USA

Tony Wu / Sperm whale (Physeter macrocephalus) teeth with modern scrimshaw on display, Tonga, October 2013

Tony Wu / Swift made from Sperm whale (Physeter macrocephalus) an intricate device used for winding yarn into a ball. Swifts are among the most intricate of scrimshaw projects, with over a hundred pieces incorp...

Tom Gilks / Tip of Walrus tusk scrimshaw inscribed with 'Taken in the Arctic Ocean July 22nd 1834'

Tom Gilks / Walrus tusk scrimshaw inscribed with 'Taken in the Arctic Ocean July 22nd 1834' and etched with harpoons.

Tom Gilks / Walrus tusk scrimshaw inscribed with 'The Ship Nolan 1832-1836' and etched with cribbage board

Tom Gilks / Whale tooth scrimshaw etched with whaling ships hunting and a volcano erupting on Fogos island, Cape Verde (probably a replica)

Tom Gilks / Whale tooth scrimshaw etched with whaling ship hunting and inscribed with 'The Ship Starbuck' (probably a replica).

Tom Gilks / Whale tooth scrimshaw with pictorial etching of men inspecting barrels before voyage (probably a replica).

Ingrid Visser / Pacific Walrus (Odobenus rosmarus divergens) tusk, scrimshaw depicting a walrus on ice, Kamchataka, Bering Sea, Russia