Watch List notes:

(x) Mercia, Coenwulf (796-821), Penny, 1.39g, 6h, large portrait type (c.810-822/23), Canterbury, Oba, + coenvvlf-rex m, diademed and draped bust right, breaking solid inner circle, rev. +oba +mon +eta, first o lozenge shaped, around plain inner circle containing cross moline (Naismith C41.2h this coin; N.352; S.916), on a full flan with only the slightest chip, good very fine, very rare.
Provenance:
Stack's, New York, 30 November 1999, lot 1379
Spink Numismatic Circular, May 1988, no. 2856
Found at Eastbourne, East Sussex, 26 August 1987 EMC 1987.0113
Estimate: £2,500 - £3,000