England. Aethelheard, Archbishop of Canterbury under Offa of Mercia. AR Penny, 793-796 AD. 1.37 g. 

AEDILHEARD ARCGI in three sectioned lines, three dots in lower section.
M between lunettes,  + OFFA REX in three sectioned lines, three dots in lower section.

North 229; Seaby 885

Images & text re-used by permission, courtesy of Ira & Larry Goldberg Auctioneers, Beverly Hills, CA