Afghanistan
Republic 3-Piece gold & silver "Conservation" Proof Set 1978,
1) "Snow Leopard" 250 Afghanis - Proof, KM979
2) "Siberian Crane" 500 Afghanis - Proof, KM981
3) gold "Marco Polo Sheep" 10000 Afghanis - PR69 Ultra Cameo NGC, KM982
A high-quality set of Conservation issues, including the "Marco Polo Sheep" 10000 Afghanis, which saw only 181 struck.
https://coins.ha.com/itm/afghanistan/afghanistan-republic-3-piece-gold-and-silver-conservation-proof-set-1978-total-3-coins-/a/3081-30209.s?type=CoinArchives3081
HID02906262019
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Estimate: 2000-2500 USD