Mexico City, Mexico, cob 8 reales, 1730F, rare. S-M26; KM-unl (47a for type); CT-757. 26.86 grams. Thick, squarish flan with bold full 30 of date, full mintmark and some shield and cross, choice full cross-lions-castles, top of assayer certain (rare for this first date), VF with peripheral flatness.
Estimate: $200-300