Watch List notes:

BRITISH COINS, Charles I (1625-1649), Oxford mint, Halfcrown, 1643, mm. Oxford plume on obv. only, Oxford horseman, Oxford plume in field behind, rev. two pellets before legend, three Oxford plumes above Declaration, date below, 13.72g/7h (Bull 596/3; Morr. A1-3; SCBI Brooker 883; N 2413; S 2954). Nearly very fine but surfaces marked and porous £360-400