1 Mark Notgeld banknote of Heligoland, commemorating the New Year's Flood of Dec. 31, 1720 - Jan. 1. 1721, issued 200 years… https://www.rawpixel.com/image/7666887/image-art-vintage-public-domainFree Image from public domain license
Shows the bones forming the human skeleton, each labeled in handwritten English. Copied from The Medical adviser, n.s., 2… https://www.rawpixel.com/image/11761502/image-paper-art-vintageFree Image from public domain license