^Lot 12 Seville, Spain, gold cob 2 escudos, 1591 date to right, assayer B below denomination (II) and mintma

Seville, Spain, gold cob 2 escudos, 1591 date to right, assayer B below denomination (II) and mintmark (S) to left, NGC AU 55, finest and only example in NGC census. Cal-843; Fr-169. 6.72 grams. Slightly oblong flan with bold full date to right of full shield with weaker left side (clear assayer but mintmark and denomination not visible), good full cross-and-tressure struck from a rusty die, sediment in crevices. Please use this link to verify the certification number