Watch List notes:

(x) Mercia, Berhtwulf (840-852), Penny, 1.08g, 9h, London, Burnwald, + berhtvlf rex, legend begins at 8 o'clock, diademed and draped bust right breaking inner circle, rev. + bvrnvvald, around central circle containing alpha and omega monogram (Booth 77; Naismith L33.10a this coin; N.421; S.935), minor striking faults, toned, good very fine, very rare.
Provenance:
Lawrence Stack, Sotheby, 22-23 April 1999, lot 323
Spink Numismatic Circular, October 1988, no. 6304
Found at Thetford, Norfolk, 1988 (MC 1999.1007)

Estimate: £5,000.00 - £6,000.00