Watch List notes:

NGC PF64 | George V (1910-1936), Proof Halfcrown, 1911, chamfered rim, edge milled, 14.13g, 12h (Davies 1661; Bull 3710; ESC 758; Spink 4011), a sublime proof of record with pools of watery brilliance, uncirculated, in NGC holder, graded PF64 (Cert. #6295510-063).

Estimate: £250 - £350