Hungary
Karl I Proof Restrike 20 Korona 1918-KB PR69 Ultra Cameo NGC, KM500, Fr-259. Though the original striking of this type had a reported mintage of just 100 pieces, this 2010 restrike, possessing supremely mirrored surfaces and a brilliant cameo nature, is on par with its scarcity and desirability.
HID02901242017
Estimate: 4000-5000 USD