Watch List notes:

STUART. Charles I. 1625-1649. AR Shilling (29mm, 5.80 g, 10h). Group D, type 3a. Tower (London) mint; im: tun. Struck 1636-1638. Crowned fourth bust left; XII (mark of value) to right / Coat-of-arms. Brooker 509-11; North 2225; SCBC 2791. In NGC encapsulation 2829010-046, graded VF 25.