Watch List notes:

Halfcrown 1669 ESC 465 VICESIMO PRIMO Unaltered Date, Excessively Rare, rated R5 by ESC, (5-10 examples thought to exist) Fine for wear with numerous knocks and scrapes but an extremely rare type, Ex-London Coins Auction 5/6/2005 Lot 947

Estimate: 400-500 GBP