Watch List notes:

BRITISH COINS, Charles I, Silver Threepence, 1644, Oxford mint, small crowned bust left, tiny R for Rawlins prone below, value behind, within inner beaded circle, initial mark lis, rev declaration in three lines, three lis above, date below, legend around, 1.35g (Brooker 962; N 2472; S 2994). Some digs and striations on the obverse, otherwise bold very fine and toned, rare.
ex A H Baldwin & Sons Ltd, Fixed Price List, Winter 2007, item BH065

Estimate: £300-400