This bracelet is based on a find from Gotland, which is now housed at the British Museum. It is dated to the 10th or 11th century, and like most bracelets from that time, the original was made of silver.
It was likely crafted from silver coins and probably served as a form of payment. There are even marks on the metal suggesting that it was verified to be silver throughout.
The bracelet is made of bronze, and it can be shaped and adjusted to fit the wrist.