Watch List notes:

Wessex, Aethelred I (865-871), Penny, group II, Lunettes 'A', South Eastern, Ella, 1.03g, 7h, + aedelred r-ex, diademed and draped bust right, rev. mon |+ella :•:|eta in three lines (Lyons & Mackay [2007], 'Wessex Regular', variety ii/3, dies B/c, Ae2.60a this coin; N.622; S.1055), chipped in two places, but with a dark tone reminiscent of the Trewhiddle hoard, otherwise very fine, and an extremely rare moneyer for Aethelred, being one of only three recorded.
provenance
The Raymond Gardner Collection
SNC, February 2007, HS2612 - £480
Dawson, collection of Anglo-Saxon coins purchased by Spink, November 2006
Unquestionably
'The Property of a well-known Amateur' ['Lord Grantley'], Sotheby, 6 April 1899, lot 221 [part] - 'very fine, but chipped' - £0.7.0 [Lincoln]
Estimate: £400 - £600