A piece of sperm whale skin with giant squid sucker scars
NASA
1912
"The Depths of the Ocean: A General Account of the Modern Science of Oceanography Based Largely on the Scientific Researches of the Norwegian Steamer 'Michael Sars' in the North Atlantic", by Murray, J. and J. Hjort. Publisher "Macmillan and Co., Ltd." in "1912". 821 pages: <a rel="nofollow" class="external text" href="https://www.biodiversitylibrary.org/page/14187086">Biodiversity Heritage Library</a>