Watch List notes:

Northumbria, Æthelred II (c. 841-843-849/50), Styca, Phase IIai, 'Special Motifs', Leofthegn, +AEðELRED REX, hammer cross on saltire, rev. +LEOFDEGN, concentric circles and central pellet, central motif (S1a/6b), 1.36g, 90° (SCBI 69, 984 this coin; Pirie 226-229, same obverse die; North 188; Spink 866A), die breaks across a rich and darkly patinated flan, good very fine, rare.
provenance
P Moffatt, CNG eAuction 324, 9 April 2014, lot 635
Estimate: £160 - £200