Watch List notes:

Charles I (1625-1649). Silver Halfcrown, 1642, Oxford Mint. King on horseback left, holding sword upright, without groundline, Rev. Three Oxford plumes above Declaration, date below, mint mark, plume, weight 14.82g (S.2953; N.2412). Double striking in legend, as struck with fully struck horseman, toned with considerable mint brilliance. About Uncirculated. Estimated Value $2,000