Watch List notes:

(x) Aethelred II (978-1016), Penny, 1.55g, First Hand type, London, Sibwine, + æÐelred rex anglorx, the orx ligate, diademed and draped bust right, in solid inner circle, rev. zibpine m¯o lvndoni, hand dividing alpha and omega (N.766; S.1144), very fine.
provenance
Sotheby, 22 March 1990, lot 374

For the same rendering of the moneyer's name and the mint (but different dies) see SCBI 26 (East Anglia) 1139
Estimate: £150 - £200