Watch List notes:

Mercia, Offa (757-796), Penny, Light coinage, South-Eastern, non-portrait type, London, Beagheard, 1.22g, 7h, +o|ff|a r|ex, divided into angles by lobes of voided petal saltire, a smaller petal saltire at centre, rev. + bah|hard, in two lunettes divided by a beaded bar with cross terminals (Chick 17a this coin; cf. CEB 22; N.279; S.904), a touch of surface porosity and of waterworn appearance, otherwise of full flan, very fine, rare.
provenance
Acquired privately, 12 May 2011
L R Stack, Sotheby, New York, 22 April 1999, lot 275 [with his ticket]
Found Goring, Berkshire, mid-1980s
Estimate: £1,500 - £2,000