Watch List notes:

Halfcrowns (32) 1902, 1907, 1917, 1930, 1937, 1947, 1948 (2), 1950, 1951, 1953 Proof, 1953 (3), 1954, 1955, 1956, 1958, 1959, 1960, 1961, 1962, 1963, 1965 (3), 1966, 1967 (4), the first four coins VG to Fine, others mostly NEF to UNC

Estimate: 30-60 GBP