Watch List notes:

BRITISH COINS, Other Properties, George V, Silver Halfcrowns (23), 1912, 1914, 1915, 1916, 1918, 1919, 1921, 1922 (2), 1925, 1926, 1927 (2), 1928, 1929, 1930, 1931, 1932, 1933, 1934 (2), 1935, 1936; George VI, Halfcrowns (6), 1939, 1940, 1943, 1946, 1948, 1949; Elizabeth II, Halfcrowns (2), 1953 (S 4011, 4021, 4021A, 4032, 4037, 4080, 4101, 4106, 4137, 4137A). Generally fine, some better. (31)
from the David Sellwood Collection

Estimate: £80-100