Jamaica (British administration), 3 shillings 4 pence, "GR" double countermark (1758) on a Mexico City, Mexico, pillar 4 reales, Ferdinand VI, 1758MM, rare, encapsulated PCGS G06, C/M VF Details, finest and only specimen in PCGS census. KM-7. Choice full countermark on pillars side, the reverse-side countermark very weak, clear details but uneven wear on host, deeply toned all over. PCGS certification number 80467102. ($900-1350)