Watch List notes:

British Coins, Victoria, Official Pattern Decimal Coinage, bronze half-farthing – 1 centime, 1857, by the Royal Mint, head l., hair tied back with double fillet, legend in broad border around, rev. Britannia seated facing r., legend in broad border around (P.1979; F.684 [R18]), certified and graded by NGC as Proof 63 Brown, extremely rare
(600-800 GBP)