Thailand
Rama IX gold Proof "White-Eyed River Martin" 5000 Baht BE 2517 (1974) PR69 Ultra Cameo NGC, London mint, KM-Y104. Mintage: 623. A virtually flawless example from this iconic Conservation series exhibiting outstanding cameo contrasts of lemon gold against jet-black, and of which Proof strikings are exceedingly scarce. Seldom offered in this lofty state, with a mere 2 examples having achieved technical perfection from NGC at present.
HID02901242017
Estimate: 5000-7000 USD