Watch List notes:

Mexico City, Mexico, cob 1/2 real, 1611/0/9F/A, rare. S-M17; KM-21 for type; Cal-unl. 1.42 grams. Bold date with fairly clear 1/0 overdate, full monogram with oM to left and fleur-de-lis below, the weaker F/A to right (and 0/9 in date) confirmed by comparison to a clearer specimen in the Banco de Mexico collection, nice full cross-lions-castles, lustrous and high grade (AU) but somewhat grainy from die-rust and surface oxidation.
($125-$200)