Shield Type
Mexico City, Mexico, cob 1/2 real, 1611/10/09F/A.S-M17; KM-unl (27.2 for type); Cal-unl (cf 394).1.68 grams.Broad flan with full and clear date and overdate, the F/A to right weaker but expected, also full mintmark oM to left, good full monogram and crown, full but crude cross, darkly toned VF with trace of porosity on reverse.
Estimate: 150-225 USD