Watch List notes:

(x) PCGS F15 | Charles II (1660-1685), Crown, 1675 over 3 VICESIMO SEPTIMO, third laureate and draped bust right, rev. T over G (?) in ET, crowned shields cruciform, six strings to harp, lettered edge downwards, 6h (Bull 396; ESC 50A; Spink 3358), light cleaned and haymarked, otherwise about fine, the overdate very rare, in PCGS holder, sympathetically graded F15 (Cert. #38994630).
https://www.pcgs.com/cert/38994630
Estimate: £400 - £600