Halfcrown Charles I Worcester Mint, Thin King and horse, Reverse Oval shield with stars in legend S.3106, Brooker 1156A, mintmark Leopard's Head VF, Very Rare, Ex-Morris, Ex-L.Bennet 11/1992 £500, Ex-Spink Numismatic Circular 4/1992 £650
Estimate: 4500-5500 GBP