https://creativemarket.com/GraphicGoods/1400736-Shells-Vintage-Engravings-Set

A collection of beautiful engraving-style illustrations of shells restored from 19th-century books. This set contains drawings of many different types of shells, including scallops, mussels, clams, oysters, conches, whelks, cones etc. These illustrations will be perfect for wide variety of projects, for example, restaurant logos and menus, fabric and apparel design, patterns, packaging, stationery etc. It’s also very suitable for decoupage and scrapbooking.