Austria
Republic gold Proof "Wolfgang Amadeus Mozart" 500 Schilling 1991 PR68 Ultra Cameo NGC, KM2997.
https://coins.ha.com/itm/austria/austria-republic-gold-proof-wolfgang-amadeus-mozart-500-schilling-1991-pr68-ultra-cameo-ngc-/a/61298-25029.s?type=DA-DMC-CoinArchives-WorldCoins-61298-11272022
HID02906262019
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