Thailand
Rama IX Three-Piece gold & silver Proof Conservation Set BE 2517 (1974), 1) 50 Baht - Sumatran Rhinoceros, KM-Y102a, PR70 UCAM NGC2) 100 Baht - Brown-antlered Deer, KM-Y103a, PR69 UCAM NGC3) 5000 Baht - White-eyed River Martin, KM-Y104, PR69 Ultra Cameo NGCOne of the most popular sets in the Conservation Series, with the gold 5000 Baht particularly desirable in this penultimate grade.
Estimate: 3400-4000 USD