Animal themed jewelry so you can have an entire menagerie on your coat. From French goldworker Jean-Paul Robin who established the House of Robin in 1824.

Owl brooch. ca. 1875.
Owl brooch. ca. 1875. Gold with diamond eyes. Maker’s mark for Paul Robin, French assay mark. Image © Sothebys 2019. Fair use license. via https://www.sothebys.com/en/auctions/ecatalogue/2010/always-in-style-150-years-of-artistic-jewels-n08626/lot.30.html
Pair of pins with a snake motif. 19th c.
Pair of pins with a snake motif. 19th c. Gold with diamond and ruby eyes. Image © 2019 D. K. Bressler & Company, Inc. and incollect.com. Fair use license. via https://www.incollect.com/listings/jewelry/brooches-and-pins/paul-robin-paul-robin-diamond-and-ruby-snake-pair-of-pins-157624