Isabell II Real 1850 S/M-RD MS67 NGC, Seville mint, KM518. The only over-mint mark specimen appearing in the NGC census, and an incredible specimen it is, blazing with pearl-white luster and impeccably smooth surfaces. A rare offering that should catch the attention of specialists in Spanish numismatics. HID09801242017 © 2024 Heritage Auctions | All Rights Reserved

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