![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/3/36/Sammelband_CHF_edge_view.jpg/640px-Sammelband_CHF_edge_view.jpg&w=640&q=50)
Book clasp
Fastener for a book cover / From Wikipedia, the free encyclopedia
A book clasp is a leather or metal element attached to the medieval and early modern book covers, used to protect the book from the penetration of dust and light.
Metal closure:
volume with alchemical treatises (tied in Strasbourg around 1568, collection of the Science History Institute, Philadelphia)
volume with alchemical treatises (tied in Strasbourg around 1568, collection of the Science History Institute, Philadelphia)