Watch List notes:

Potosi, Bolivia, cob 8 reales, 1679/8C/E, very rare. 25.45 grams. Doubled and off-center pillars side with one full pillar atop bold waves with two clear assayers (clean C), POTOSI in legend, the cross full but also off-center with clear C/E to right and date with 9 punched over an erased 8 below (1679E does not exist, assayer E having died in November of 1678), lightly toned VF with small edge-split. From the Marco Gardini collection of Potosi cob 8 reales.

Estimate: $300 - 450