Watch List notes:

William IV, proof shilling, 1831, bare head right, rev. 'face' value within wreath, crown above, date at bottom, plain edge (S.3835; ESC.2488), certified by PCGS as Proof-62, rich deep-grey toning, fairly rare with an estimated mintage of 225 pieces for the coronation proof sets

Estimate: 1000 - 1250 GBP