Watch List notes:

STUART. Charles I. 1625-1649. AV Double Crown (27mm, 4.45 g, 10h). Crown gold coinage, group E. Tower (London) mint; im: anchor. Struck 1628-1629. Crowned bust left, wearing ruff; X (mark of value) to right (5th, 'Aberystwyth' bust) / Crowned and garnished coat-of-arms; crowned C R flanking. Schneider, Tower, group E, class II; Brooker 170/169 (same obv./rev. dies); cf. Schneider 204 (for type); North 2173; SCBC 2717. Smoothing on bust and in fields. Good Fine. Very rare – only one example in CoinArchives. The highest value denomination to feature this distinctive bust.