George IV (1820-1830), Chantrey's Halfcrown, 1828, Type 3, edge milled, 14.11g, 7h (Davies 193; Bull 2377; ESC 648; Pywell-Phillips 501; Spink 3809), cleaned, bright and with surface friction, otherwise residually lustrous, a really bold very fine / about extremely fine, the key date of issue, rare thus, especially so in higher core grades.
Estimate: £400 - £600