Watch List notes:

BRITISH COINS, Charles I, Silver Shilling, York mint (1643-1644), type 5, crowned bust left, crown intrudes inner beaded circle, lozenge above value behind, initial mark lion both sides, rev crowned oval quartered shield of arms, 5.35g (Brooker 1097; N 2320; S 2874). Lightly creased with weak high points, toned, about very fine.
With old dealer ticket, c.1997, which states it was found beneath the floorboards of "Martock Manor House"

Estimate: £300-350