Watch List notes:

Halfcrowns (20) 1928, 1930, 1935, 1939, 1947, 1953 (2), 1954 (2), 1955 (2), 1956, 1960 (2), 1961 (3), 1962 (2), 1967, the 1930 Fine, others GVF to UNC

Estimate: 40-60 GBP