El Salvador, 1/2 real, R-in-beaded-circle countermark (Type IV, 1862-3) on a Guatemala 1/2 real, 1862R, rare host, NGC Fine details / obv cleaned, c/s VF standard. KM-84. Bold full countermark on Carrera's neck, obverse of host well detailed for the grade and nicely toned but reverse typically weak (due to the countermark). NGC #3901880-006.
Estimate: $250-375