Watch List notes:

Mexico City, Mexico, 1/2 real, Charles-Joanna, "Late Series," assayer L to right, o to left, mintmark M at bottom (o-M-L), NGC AU 55, ex-Potomac Collection (stated on label). Nesmith-87; Cal-52; S-M9; KM-6.5. 1.57 grams. Broad flan with bold full legends (pillars side slightly off-center), choice interior details, nice toning, desirable grade. NGC #4762849-016. From the Potomac Collection and pedigreed to the Clive Hubbard hoard.
($250-$375)