Austria
Republic Proof "Auer von Welsbach" 25 Schilling 1958 PR66 Cameo NGC, KM2884. Mintage: 1,000. A lovely Proof struck to commemorate the 100th anniversary of the birth of chemist Auer von Welsbach.
https://coins.ha.com/itm/austria/austria-republic-proof-auer-von-welsbach-25-schilling-1958-pr66-cameo-ngc-/a/3076-33333.s?type=CoinArchives3076
HID02906262019
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Estimate: 400-600 USD