Roman ring of the emperor Postumus

A silver ring set with a coin of the emperor Postumus. The coin is wrapped in gold foil rather than a gold coin which probably explains why the back of the ring is closed and only the obverse is visible. It was found in 2019 at Cheselbourne, West Dorset and recorded at the PAS as DOR-B061BB. It was disclaimed as Treasure but has been on display at the British Museum. Noonans says “This imposing ring is likely to be a military award for a successful campaign under the commander Postumus, who ruled the Gallic Empire for ten years.“