Watch List notes:

Mexico City, Mexico, cob 1/2 real, 1608F, very rare. S-M15; KM-unl (20 for Type); CT-547. 1.57 grams. Clear bottom half of date (possibly the earliest known date for this denomination, despite the listing of a 1607 in CT, of which we have no specimens on record), choice full monogram and oM to left and F to right as well as fleur below, also choice full cross, VF+ with nicely contrasting toning. ($750-1100)