Austria
Franz Joseph I gold Proof 100 Corona 1912 PR64 Cameo NGC, Vienna mint, KM2819, Fr-507. Mintage: 3,591 (business strike + proofs). One of only a very few Proof strikes known. The nicely frosted devices virtually sparkle against the mirrored fields, giving a superb cameo appearance. The strike is bold and the surfaces display only a few tiny marks and barely noticeable hairlines. No pieces have been certified finer than this very Choice example.
HID02901242017
Estimate: 20000-30000 USD