Spain
Segovia, Spain, milled 1 real, Philip III, 1607C, no dots in date, with private crowned-S countermark (rare), NGC VF details.Cal-516; KM-27.Bold full countermark (believed to be from a private merchant) on lower-left quadrant of host's cross with consequential edge-split and flat spot on other side, weak strike to left of date, nicely toned.
Estimate: 300-450 USD