GREAT BRITAIN. Countermarked Dollar, ND (1797). George III. PCGS Genuine--Cleaning, VF Details Gold Shield; Countermark: EF Details.Cf. KM-630. VERY RARE countermark of the bust of George III in obverse field of a Mexico City 1745-Mo MF 8 Reales, not listed in SCWC for issues of Philip V. The stamp has been firmly applied and retains excellent detail while the host is quite pleasing overall despite the past cleaning. In all, an historic offering unlikely to be duplicated soon.