Pair of Scrimshaw Porpoise Jawbones, 19th c. Consign Now Dept19th Century Scrimshaw, Maritime Arts, Nantucket ArtSizeApprox 12 in. x 2 in. Pair of 19th Century Antique Scrimshaw Porpoise Jawbones with Engravings of Pirates Approx 12 in. x 2 in. Please note that this auction has ended. Click here for an overview of this auction.