Watch List notes:

(x) Mercia, Offa (757-796), Penny, 1.28g, 6h, light coinage (c.779-792/3), London, Lulla, +offa rex· merc· ioru, legend begins at 6 o'clock, lozeng shaped os, diademed head right, truncation breaking beaded inner circle, rev. + l / u / ll /a, divided by four large pellet encircled bosses, around floral design of a cross and saltire in a beaded circle (Chick 63a this coin; N.312; S.905), an almost classical portrait by the moneyer Lulla who produced several portraits of Offa with similar reverses but this surely his most accomplished, a single metal flaw on neck otherwise good very fine, extremely rare.
Provenance:
Purchased from Spink, November 1992
Found at Northampton, 1987/8
Estimate: £5,000.00 - £6,000.00