Mixed Silver Coins (3)

Charles II (1660-1685), Halfcrown, date unclear, (S.3367); George III (1760-1820), Shilling, 1817, (S.3790); George IV (1820-1830), Sixpence, 1829, (S.3815). The first fair but engraved with a smokers pipe across bust, the others about very fine or better