Watch List notes:

BRITISH COINS, George IV (1820-1830), Silver Halfcrown, 1821, laureate head left, B.P. under truncation, rev first crowned and lightly garnished quartered shield of arms, emblems surrounding, date below (ESC 631; S 3807). Lightly toned, a few light scuffs on portrait, otherwise extremely fine.
ex The New York Sale XVII, Baldwin / Markov / Künker / M&M, 9 January 2008, lot 645

Estimate: £200-300