Culiacan, Mexico, cap-and-rays 8 reales, 1866CE, six-point star, rare, NGC MS 63. DP-Cn23; KM-377.3. Choice luster, rainbow toning at rims, almost no porosity (which usually plagues this issue), listed in DP as "rare" with the star varieties "a recent discovery" whose "relative rarity is yet to be determined." NGC #4486472-012.
Estimate: $2500-3750