Watch List notes:

Burgos, Spain, 1 real, Ferdinand-Isabel, mintmark B on reverse with assayer X to left of cross potent in legend, NGC XF 40. Lopez de la Fuente-F1.6.1.12; Cal-317. 3.23 grams. Deeply toned and fully detailed, including legends, the high points evenly worn.

Estimate: $200 - $300