 In the years between Coenwulf's death in 821 and Egbert of Wessex's conquest of Kent and the south-east in 825, the mint at Canterbury weathered a turbulent period that is better reflected in the coins than any written source.Coenwulf's brother and successor Ceolwulf I held Kent, but coins in his name from Canterbury are very rare and struck by only a few of the full complement of moneyers.Nonetheless, his short reign provides evidence of quite strong interest in the coinage, and several types common to a number of mints were introduced