Watch List notes:

BRITISH COINS. George IV, Silver Halfcrowns (5), 1821, first head, first reverse, 1824, second reverse, 1825, 1826, 1829, second head, third reverse (ESC 631, 636, 642, 646, 649; Davies 171, 182, 191, 192, 194; S 3807, 3808, 3809). All once cleaned or polished, second and last now toned, generally good fine to about very fine with associated surface marks. (5)

Estimate: £300-400