Watch List notes:

BRITISH COINS, Charles I, Obsidional Coinage, Silver Halfcrown, 1646, Newark besieged, on lozenge shaped flan, large crown over value, C to left, R to right, beaded border both sides, rev inscription and date, 14.82g (Hird 246; Bull 687; Brooker 1222; N 2638; S 3140A). Flan flaw on the reverse, otherwise good very fine, toned.
ex Baldwin's Auction 37, 4 May 2004, lot 885

Estimate: £2000-2500