Watch List notes:

Mexico City, Mexico, cob 1 escudo, (17)12(J), mintmark oXM, from the 1715 Fleet, very rare (unlisted in Tauler and CT). S-M30; KM-51.1; CT-unl. 3.33 grams. Bold full 2 of date and clear oXM mintmark (first we have seen with oXM instead of oM), with full crown and most of shield, choice full cross, nice AU. From the 1715 Fleet, with certificate.

Estimate: $1500