Watch List notes:

Potosi, Bolivia, cob 8 reales, 1617 M, Grade 1, ex-Santa Margarita (1622), mounted cross-side out in round 18K gold bezel with swivel bail and glass back, channel-set with 3.22 carats of black diamonds. 33.56 grams total; coin weight 22.98 grams, bezel weight 13.42 grams. Nice piece with original, as-found, dark surfaces showing some corrosion yet plenty of detail including a full shield and cross plus last two digits of the date and bold denomination, mounted in a fancier pendant than usually seen. From the Santa Margarita (1622), with original Fisher tag and photo-certificate 2245.


Estimate: 2000 - 3000 USD