Australia
Elizabeth II platinum "Koala" 100 Dollars (1 oz) 1988 MS69 NGC, Perth mint, KM111. A highly impressive coin, this example is almost perfect and displays frosted fields with mirrored devices, which is usually the other way around for coins, making this coin delightfully unique.
https://coins.ha.com/itm/australia/australia-elizabeth-ii-platinum-koala-100-dollars-1-oz-1988-ms69-ngc-/a/65161-25017.s?type=DA-DMC-CoinArchives-WorldCoins-65161-01292023
HID02906262019
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