Watch List notes:

BRITISH COINS, William IV (1830-1837), Silver Halfcrown, 1834, bare head right, W.W. script incuse on truncation, rev quartered shield of arms with an escutcheon of the Arms of Hanover, garter surrounding upon crowned mantle, date below, edge milled (ESC 662; S 3834). Light contact marks and hairlines with tiny short scratch to neck, a little weakly struck in hair, good very fine, toned.
from the David Sellwood collection

Estimate: £200-250