Thailand
Rama IX gold "White-Eyed River Martin" Proof 5000 Baht BE2517 (1974) PR67 Ultra Cameo NGC, London mint, KM-Y104. A superb representative from this Conservation Series issue, butter-yellow with an intense cameo contrast achieved through richly frosted devices and endless mirrors behind.
HID02901242017
Estimate: 4000-6000 USD