West Saxons seem to have used Offa's currency: a recent survey of early medieval single coin finds reveals a trail of Offa pennies running from the Upper Thames to Wareham, a site connected with Beorhtric.

After Offa died in 796, Mercian power over England was weakened, and Beorhtric may have exercised more independence during this period. The only two West Saxon coins to have survived from Beorhtric's