What is the meaning of the furniture term Coin?

The term coin typically refers to a decorative, circular or slightly domed metal feature or medallion that is often applied to the surface of furniture, such as cabinets, chests, or dressers. These coins can add an ornamental touch to the furniture piece and are often made of brass, bronze, or other metals. They can be purely decorative or may serve a functional purpose, such as acting as a drawer pull or keyhole cover. English corner cupboard from the 18th century.