Watch List notes:

William IV (1820-30), Proof Shilling, 1831, bare head right, rev. coin alignment, value in wreath, edge plain (ESC 2488 {1266}; S.3835), light rim stipling in places, otherwise superbly toned, with much residual brilliance, good extremely fine, scarce.
provenance
Spink Numismatic Circular, January 1978, no. 373 - £85 - 'E.F. - F.D.C'
Estimate: £600.00 - £800.00