Watch List notes:

The Milton Collection Part Two, World Coins and Tokens, Great Britain, Elizabeth II, shillings (4): 'English', 1956; 'Scottish' (3): 1953; 1956 (2), laur. bust r., rev. 'English'/'Scottish' reverses (S.4147, 4140; 4148 [2]), all certified and graded by CGS, as CGS 85, Proof Uncirculated 88, CGS 85 and CGS 80 respectively (4)
The Scottish 1953 is graded by CGS as Proof, although it appears to be unlisted in the Standard Catalogue.