Watch List notes:

Halfcrown to Sixpence 1911 Proof issues (4) comprising 1911 Proof ESC 758, Bull 3710 in a PCGS holder and graded PR61, Florin 1911 Proof ESC 930, Bull 3756 in a PCGS holder and graded PR61, Shilling 1911 Proof ESC 1421, Bull 3800, in a PCGS holder and graded PR62, and Sixpence 1911 Proof ESC 1796, Bull 3872 in a PCGS holder and graded PR61

Estimate: 600-700 GBP