Bogota, Colombia, gold cob 4 escudos, Ferdinand VI, assayer S above denomination 4 to right, mintmark F-S to left (ca. 1750), NGC MS 62. Restrepo-M96.6; S-B27a; KM-27. 13.41 grams. Choice full cross and shield (lions and castles transposed as usual) with bold full F-dot-S-dot to left and S-4 (tilted) to right, nice luster and light toning, a few light marks and bits of encrustation but overall rather well preserved, in fact second finest in NGC census behind a single MS 64. Pedigreed to the J.P. Silberman Estate (stated on the label).