Watch List notes:

ANGLO-SAXON, Kings of Mercia. Offa. 757-796. AR Penny (16mm, 1.02 g, 11h). Light coinage, portrait type. London mint; Ealhmund, moneyer. Struck circa 785-792/3. Diademed and draped bust right / + EΛMVN∂, plain cross within coiled serpent devouring its own tail. Chick 37A = EMC 2006.0307 (this coin); SCBI –; North –; SCBC 905. VF, toned, edge chips. Unique variety of the popular serpent type.

Found in north Essex, summer 2006.