Watch List notes:

Mint Errors - Mis-Strikes Halfcrowns (3) 1961 the edge only partially milled with a plain raised approximately 1mm band all the way around the milling, also the centre of the shield not struck up Fine, 1964 struck off-centre with around 1.5mm raised lip on the reverse, also with a plain edge A/UNC, 1965 struck from blocked or worn dies with part of the obverse legend not struck up NEF

Estimate: 100-120 GBP