Thailand
Rama IX gold Proof "White-Eyed River Martin" 5000 Baht BE 2517 (1974) PR69 Ultra Cameo NGC, British Royal mint, KM-Y104. Conservation series. Mintage of 623 pieces in Proof. Obv. Bust of Rama IX left. Rev. White-eyed River Martin. Possessed of a perfect cameo appearance, with a bold strike and surfaces showing no marks. A flawless example. Included is the original COA. Very rare and seldom offered in this incredible condition.
https://coins.ha.com/itm/thailand/thailand-rama-ix-gold-proof-white-eyed-river-martin-5000-baht-be-2517-1974-pr69-ultra-cameo-ngc-/a/3081-32337.s?type=CoinArchives3081
HID02906262019
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Estimate: 8000-9000 USD