George I (1714-27), Halfcrown, 1720 over 17, rev. nine strings to harp, +.+.+. decvs et tvtamen anno regni sexto on edge (ESC 1555 {590}; S.3642), adjustment marks obscuring date and to corresponding area of obverse, and with light graffiti initials before truncation, otherwise toned, a bold very fine.
Estimate: £350 - £450