Watch List notes:

Charles II (1660-85), Crown, 1679, fourth bust, rev. six strings to harp, ++ decvs et tvtamen anno .. regni tricesimo primo irregularly spaced on edge (ESC 405 {56} - but 6 strings not recorded; S.3359), the obverse lightly wiped, otherwise about very fine, the reverse better.
provenance
C J Boismason, DNW 138, 12 December 2016, lot 2033
Spink Numismatic Circular, April 2004, MS5801 (illus.) - £550
Estimate: £500 - £600