Watch List notes:

BRITISH COINS, Charles I, Silver Sixpence, Tower Mint, group D, type 3a, fourth crowned bust left, large value behind, legend and beaded outer circle only surrounding both sides, initial mark tun (1636-38) both sides, rev struck en médaille, quartered oval shield of arms, 3.00g (Brooker 622; N 2241; S 2813). Bust very finely engraved, a little weak on high points, otherwise good very fine.
ex CNG auction 58, 19 September 2001, lot 2088

Estimate: £100-150