Watch List notes:

Charles II (1660-85), Shilling, 1669 over 6, first bust variety, rev. seven strings to harp, oblique milling on edge (ESC 515 [R6] {1031}; S.3372), the reverse very softly struck, with general light pitting to surfaces, the portrait and overdate otherwise clear, about fine/poor, but excessively rare.
provenance
Lord Hamilton of Dalzell MC, Spink 3, 21 February 1979, lot 82 - fair, but of the highest rarity" - £260
Purchased Spink, July 1959
H A Parsons, Glendining 11-13 May 1954, lot 549 part (illus.) - "well preserved and excessively rare" - £22
Estimate: £300 - £400"