George V (1910-1936), Proof Halfcrown, 1936, 14.18g/12h (Davies 1713; ESC –). As struck, very rare (£400-500)

Provenance:
Stack’s Auction (New York), 2 December 1999, lot 992
C. Adams Collection, Spink Auction 177, 1 December 2005, lot 791