George IV (1820-1830), Halfcrown, 1820, Type 1, laureate bust right, rev. lightly garnished shield, milled edge, 6h, 14.10g (ESC 628; Bull 2357; Spink 3807), the obverse wiped and lightly contact marked, yet the reverse with a proof-like flashy lustre and attractive toning, very fine / extremely fine.
Estimate: £400 - £500