Watch List notes:

British Coins, Victoria, sovereign, 1851, young head l., engraver's initials W.W. in relief, rev. crowned shield of arms within wreath (S.3852C), certified and graded by PCGS as MS65, a truly beautiful coin having very little disturbance in the soft lustre on either side, the portrait and royal shield both sharply struck, rare thus and among the finest to be found
Estimate: 1750-2250 GBP