Tasciovanus is known only through numismatic evidence. He appears to have become king of the Catuvellauni ca. 20 BC, ruling from Verlamion (the site of modern-day St Albans). He is believed to have moved the tribal capital to that site from an earlier settlement, near modern-day Wheathampstead.[citation needed] For a brief period ca. 15–10 BC he issued coins from Camulodunum (Colchester), apparently supplanting Addedomarus of the Trinovantes. After this he once again issued his coins from Verlamion, now bearing the title Ricon, Brythonic for "great/divine king". Some of his coins bear other abbreviated names such as "DIAS", "SEGO" and "ANDOCO": these are generally considered to be the names of co-rulers or subordinate kings, but may instead be mint-marks. He died ca. AD 9, succeeded by his