Watch List notes:

COLOMBIA, Bogotá, gold cob 4 escudos, Ferdinand VI, assayer S to right above tilted denomination 4, mintmark F•S to left. Restrepo-M96.6; S-B27a; KM-27; Cal-726; Fr-12. 13.41 grams. Choice full cross-and-tressure, nearly full crown and shield with bold full mintmark to left and S-4 to right with the 4 (typically tilted) punched over a previous S (a die-match with examples dated 1752), XF with some marks and crudeness around edge, toned around details.

Estimate: $4000 - $6000