Watch List notes:

Bogota, Colombia, cob 4 escudos, 1751, assayer S above denomination 4 to right, mintmark FS to left, NGC AU 55, finest known in NGC census. Restrepo-M96.6; S-B27a; KM-27; Cal-725. 13.45 grams. Full cross (off-center) with bold 175 and bottom part of final 1 of date, full shield with F.S to left and denomination 4 (rotated, possibly punched over an 8) to right, most of king's name FERDINANDVS in legend, with minor flat spots and encrustation in crevices, the finer of just two in the NGC census. Pedigreed to the Fernandina collection (stated on label).
($3500-5000)