Watch List notes:

Anglo-Saxon England (c. 625-675), Gold Shilling, a blank unstruck planchet, 37% AV, 1.15g (SCBI 69, 14 this coin; Metcalf [2016], 26), curious, very fine and presumably extremely rare.
provenance
M Bonser, May 2008,
~ Found at Garwick near Heckington (South Lincs), 1992 ~,
[EMC 2009.0021]
Estimate: £60 - £100