Watch List notes:

BRITISH COINS, Charles I, Silver Shilling, Tower Mint, group D, type 3a, fourth crowned bust left, large value behind, legend and beaded outer circle only surrounding both sides, initial mark bell (1633-1635) both sides, rev struck en médaille, quartered oval shield of arms, 5.91g (Brooker 489; Sharp E2/2; N 2225; S 2791). Bust very finely engraved, a few short hairline scratches, dig below value, weakly struck at shoulder both sides, otherwise very fine and rare.
ex B A Seaby, purchased 8 November 1952
ex J M Ashby Collection, Spink auction 145, 14 July 2000, lot 2184

Estimate: £400-500