Watch List notes:

BRITISH COINS, Other Properties, MISCELLANEOUS, Silver Halfcrowns (13), 1820, 1825, 1826, 1828, 1837, 1887, 1890, 1899, 1901, 1907, 1908, 1909, 1910 (S 3807, 3809, 3834, 3924, 3938, 3980). Generally fine to about very fine, some toned. (13)
from the David Sellwood Collection

Estimate: £150-200