Bogota, Colombia, gold cob 2 escudos, 1745 (S), very rare, NGC AU 55, finest and only example in NGC census. Restrepo-M80.16; S-B27; KM-17.2; Cal-unl. 6.80 grams. Small, round, thick flan with choice full cross-and-tressure, clear and bold date, contrasting sediment on fields, assayer not visible by S by default (incorrectly attributed to assayer M by NGC).