Austria
Republic gold Proof "Johann Strauss Sr. & Jr." 500 Schilling 1999 PR68 Ultra Cameo NGC, KM3055.
https://coins.ha.com/itm/austria/austria-republic-gold-proof-johann-strauss-sr-and-jr-500-schilling-1999-pr68-ultra-cameo-ngc-/a/61298-25035.s?type=DA-DMC-CoinArchives-WorldCoins-61298-11272022
HID02906262019
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