The coinage of England in the third quarter of the ninth century was extensive. Dominated by the Lunettes type struck by a number of authorities (Kings of Wessex, Burgred of Mercia and Archbishop Ceolnoth of Canterbury) it presents a daunting quantity of material. However, the authors believe that focusing on the coinage of iEthelred I and Archbishop Ceolnoth provides the opportunity to concentrate on a key five to six year period in the devel- opment of the Anglo-Saxon coinage and specifically of the Lunettes type.