Watch List notes:

(x) Mercia, Offa (757-796), Penny, 1.19g, 12h, light coinage without portrait, c.779-792/3, Canterbury, Eoba, o / f / f / a, four pellets in o, around a square of pellets with cross at each corner, reversed r in centre, rev. e / o / b / a in angles of cross fleury, circle with five pellets at centre (Chick 111b this coin; N.273; S.904), slight rim chip at 6 o'clock, almost very fine, very rare.
Provenance:
Spink auction 175, 28-29 September 2005, lot 1302
Spink Numismatic Circular, December 1993, no. 8411
Found at Farnborough, Bromley, 1991
EMC 1993.1001
Estimate: £800 - £1,000