German States
Württemberg. Karl I Proof 20 Mark 1872-F PR61 Cameo NGC, Freudenstadt mint, KM622. Obv. Bust of Karl I right. Rev. Crowned Imperial eagle with date and value. Numerous small field marks, with fully lustrous surfaces. The fields are deeply mirrored, with frosted devices. The only Proof example of this type certified by NGC and PCGS combined. Extremely rare.
HID02901242017
Estimate: 1500-2000 USD