Watch List notes:

PCGS MS64 | William IV (1830-1837), Sixpence, 1831, bare head right, rev. crowned value in wreath, edge milled, 6h (Bull 2499; ESC 1670; Spink 3836), delightful, choice mint state, in PCGS holder, graded MS64 (Cert. #28672353).
Provenance
Warwick and Warwick 738, 19 February 2014, lot 390
Estimate: £90 - £120