Cuba, 25 centavos, short-and-thick key incuse countermark (1872-77) on a Guanajuato, Mexico, cap-and-rays 2 reales, 1847 PM, PCGS VG8. KM-R1. Very bold full countermark near center of eagle side of fairly worn host with light toning all over but particularly in the countermark itself.
Estimate: 200 - 300 USD