Watch List notes:

Halfcrown 1953 Proof, Obverse 1 Reverse A. The Very Rare Obverse 1 Proof with the weakly struck first portrait, I of DEI points to a space. The Proof version of the early portrait, as used in the 1953 currency plastic set. Davies 2310, S.4137 UNC with minor nicks and hairlines, retaining much original mint lustre and brilliance

Estimate: 400-500 GBP