 These are very numerous today, and for a long time caused great difficulty for numismatists working on Alfred's coinage, who could not always tell them from the genuine issues.However, before the end of the 9th century new silver coinages had begun in East Anglia and at York.In East Anglia, a coinage was struck in imitation of Alfred's in the name of Guthrum (with his baptismal name Æthelstan), followed by a very large coinage naming the martyred Saint Edmund on the obverse, which was struck by at least sixty moneyers (the bulk of them bearing names indicating continental origins).