Mexico City, Mexico, cob 1 escudo, 1704L, encapsulated NGC AU 53, very rare, from the 1715 Fleet. S-M29a; KM-51.1. 3.2 grams. Very bold full date and oXM, most of shield and off-center cross, mauve-colored encrustation in (all) crevices for a unique look. From the 1715 Fleet. ($2000-3000)