Tremissis
Tremissis was a currency of the Late Ancient Rome, equal to one-third of a solidus. Tremissis coins were continued to be minted by descendants of the Roman Empire, such as Anglo-Saxon Britain or the Eastern Roman Empire.
...
Wikipedia
Tremissis was a currency of the Late Ancient Rome, equal to one-third of a solidus. Tremissis coins were continued to be minted by descendants of the Roman Empire, such as Anglo-Saxon Britain or the Eastern Roman Empire.