Watch List notes:

British Coins, Elizabeth II, crown, 1965, Churchill Commemorative, with edge error: ½ milled, half plain, young laur. bust r., rev. Churchill (S.4144), extremely fine to uncirculated
bt. Baldwin's Vault (private sale).
The error occurring around the whole edge, with half the depth of the coin milled, while the other half is plain. Unique.
(150-250 GBP)