Seville, Spain, gold cob 2 escudos, 1597 date to right, assayer B below denomination II and mintmark S to left, NGC AU 53 ("top pop"). Cal-856; Fr-169. 6.74 grams. Full 597 of date, mintmark-denomination-assayer weak but certain, bold cross and most of shield despite flat areas, some old marks, tied with two others for finest in NGC census for this date and assayer.
Estimate: 2000 - 3000 USD