Watch List notes:

Charles I. 1625-1649. AR halfgroat. 1.07 gm. 15.5 mm. Group D. Anchor to right over tun / anchor mm. Tower mint, under the king. Struck 1638-1639. S. 2831. N. 2257. Very Fine; attractively toned. Well struck and well centered on a full round flan. Nice coin.