Watch List notes:

Mercia, Offa (757-796), Light Coinage, East Anglian Issues, Penny, c. 780-792/3, Egann, x OFFA REX around lozenge atop cross fourchee, rev. E-g-C-H-V-N, runic G, between angles of six-pointed star, 1.16g [17.9grns], 4h (Chick 170 this coin unlisted; CEB 110 variety; North 334; Spink 907), folded and crimped, otherwise light porosity and pastille-grey field patination, struck details an imposingly bold very fine, excessively rare, only one other example of this variety listed on EMC from an extremely select corpus of five known 'six-pointed' star Egann issues for King Offa.
Provenance,
Found near Braintree (Essex), 4 August 2022,
~ Recorded with the British Museum, ref. PAS ESS-BA68FD ~
Estimate: £1400 - £2000