Offa (757-796), Kings of Mercia, Offa (757-96), Penny, Post-Reform [Heavy Coinage] issue, Non Portrait type, large flan, Canterbury, Babba, OFFA REX M around rosette, reverse BABBA between two horizontal lines, pattern of crescents above, OMO below, 1.29gm (CEB – [cf. 85]; N 319 var.; S 907). Very fine, dark tone, extremely rare (£1000-1500)

All other known specimens of this reverse type have the pattern of crescents below the moneyer’s name