Alchred, & Archb'p Ecgberht, var.i -
Northumbria, Alchred, with Archbishop Ecgberht (c. 765-766), Sceat, variety i, AL HR D+ retrograde, around cross pattée, vestigial beaded border, rev. EGBERhT AR, around cross pattée, 0.85g, 135° (SL 75-10 plate coin; Abramson, 2012b, Fig. 8c; SCBI 69, 1034 this coin; North 193; Spink 854 plate coin).
Images and selected text reproduced by kind permission of Spink and Son Ltd, London, auction 21050, The Tony Abramson Collection of Dark Age Coinage - Part II - Northumbria, March 18th 2021, lot #397. Provenance: A Gillis, June 2007 ~ Found in South Newbald (Yorkshire), 2007 ~ [EMC 2008.0089 = BNJ Coin Register 2008, no. 187].
Wikipedia article on Ecgberht.