Watch List notes:

Northumbria, Æthelred I, Second Reign (789-796), Sceat, Series Y, beaded borders, Ceolbald, +R AEDILRED in neat square script, the first R retrograde, around central pattée cross in inner beaded circle, rev. +CEOLBALD around central boss in beaded circle, 0.87g, 110° (SL 80-05; SCBI 69 -; cf. 'A vital clue in establishing Northumbrian chronology for early pennies', [http://www.britnumsoc.org/blog]; cf. North 185; cf. Spink 856), a hint of concavity, otherwise attractively centred, about extremely fine, a previously unrecorded variant that aids in the chronology of the Northumbrian series, UNIQUE.
provenance
Acquired privately from W. Boyd, 3 February 2021
~ Found at Hayton (East Yorkshire), December 2020
[EMC 2020.0417]

Estimate: £400 - £600