George V (1910-1936), Coronation Proof Halfcrown, 1911, First Coinage, 'Flat Rim' Variety, bare head left, by B Mackennal, rev. Crowned shield in Garter, edge milled, 14.14g, 12h (Davies 1660; ESC 758; Bull 3710; Spink 4011), dark colourful tone overlying brilliant fields, a pleasing extremely fine.
Estimate: £200 - £260