Watch List notes:

Cartagena, Colombia, cob 4 reales, (1655), assayer S below mintmark C to right, very rare, PCGS VF detail / saltwater damage, ex-Eldorado. Restrepo-M40; S-C4; KM-10.2; CT-655. 11.85 grams. Choice full shield-lions-castles (well centered), bold and nearly full pillars, all nicely toned but with peripheral pitting and light surface corrosion, the all-important assayer S fully visible, overall XF or better in our opinion. Pedigreed to the Eldorado collection (Stack's Bowers auction of January 2018), with original lot-tag #11059.
(1250 - 2000 USD)