Portugal, 870 reis, Maria II, crowned-arms countermark (1834) on a Mexico City, Mexico, bust 8 reales, Ferdinand VII, 1820 JJ, PCGS XF45, c/m AU. Gomes-M2.29.52; KM-440.15. Very deep and fully detailed countermark on a problem-free host, all lightly toned.
Estimate: 300 - 450 USD