Watch List notes:

Mexico City, Mexico, cob 2 reales, 1615 F, very rare. S-M17; KM-unl (32.2 for type); Cal-unl. 6.65 grams. Very rare dated example (reportedly no more than three known) with bottom parts of 15 visible, overall VF with full shield and cross, wide crack on edge as made.
($150-225)