Watch List notes:

Halfcrowns in CGS holders George VI 1937-1951 a complete date run includes the Proof issues (18 coins) 1937 CGS 80, 1937 Proof CGS 90, 1938 CGS 78, 1939 CGS 78 , 1940 CGS 75, 1941 CGS 78, 1942 CGS 70, 1943 CGS 80, 1944 CGS 80, 1945 CGS 82, 1946 CGS 80, 1947 CGS 80, 1948 CGS 80, 1949 CGS 80, 1949 CGS 80, 1950 CGS 80, 1950 Proof CGS 88, 1951 CGS 80, 1951 Proof CGS 90 a pleasing group

Estimate: 300-450 GBP