Thailand
Rama IX gold "White-Eyed River Martin" Proof 5000 Baht BE2517 (1974) PR69 Ultra Cameo NGC, London mint, KM-Y104. Mintage: 623. A virtually flawless example of this Conservation Series issue with outstanding cameo surfaces. Sold with the original Royal Mint box and COA.
HID02901242017
Estimate: 3500-4500 USD