Watch List notes:

George III (1760-1820), Halfcrown, 1820, edge milled, 14.11g, 12h (Pywell-Phillips 482; ESC 2105 [625]; S.3789), a cracking example with electric blue tone framing the peripheries of lustrous original surfaces, good extremely fine, the reverse magnificently proof-like.
Purchased Tony Mathew, 14 September 1986 - £70'
Estimate: £150 - £200