Switzerland
Confederation silver "Zurich Zoo - 50th Anniversary" Medal 1979 MS68 NGC, 33mm.
https://coins.ha.com/itm/switzerland/switzerland-confederation-silver-zurich-zoo-50th-anniversary-medal-1979-ms68-ngc-/a/65165-98304.s?type=DA-DMC-CoinArchives-WorldCoins-65165-05282023
HID02906262019
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