Watch List notes:

Halfcrown 1953 Proof Obverse 1, Reverse A, Obverse 1 the weakly struck portrait with I of DEI pointing to a space. The Proof version of the early portrait as used on the coins in the 1953 plastic set Davies 2310, S.4137 nFDC the reverse retaining considerable lustre

Estimate: 150-450 GBP