Offa, King of Mercia, AR penny, London mint. Moneyer Dudda. AD 757-796. 1.22 gm. 16 mm.

OFFA REX, pearl diademed, draped bust right, quatrefoil
behind head,
+-d-U_d in the angles of a cross formed by four lobes 
with small saltires in the centre, nine dots spaced around 
the edge.

Seaby 905; North 296; BMC Anglo Saxon 13 var (has a long
cross before the bust). 

Very Rare. 
Courtesy of Davissons Ltd Auction 34, Lot 99, Jan. 2015.