Watch List notes:

Halfcrown 1953 Proof, Obverse 1 Reverse A. Obverse 1 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 nFDC and lustrous

Estimate: 400-600 GBP