Mexico City, Mexico, cob 1/2 real, 1658 P, very rare. S-M19; KM-22; Cal-567. 1.18 grams. Nearly full crown with bold full 58 of date to left (decidedly without the usual overdate 8/7), full oM and top part of P, nearly full cross, VF details with crusty dark oxidation, lemon-drop shape.
Estimate: 150 - 225 USD