Watch List notes:

Charles II (1660-85), Halfcrown, 1668 over 4, third bust, v of carolvs over misplaced s, rev. seven strings to harp, + decvs et tvtamen anno regni vicesimo on edge (ESC 449 {R2} {464}; S.3365), a pleasing fine, scarce.
provenance
Spink Numismatic Circular, July 1994, no. 4871 - £175
Estimate: £250 - £350