China
People's Republic gold and silver "Inner Mongolia Autonomous Region" Proof Set 2007,
1) Silver 10 Yuan - PR69 Ultra Cameo NGC, KM1729
2) Gold 100 Yuan - PR70 Ultra Cameo NGC, KM1730
Struck to celebrate the 60th anniversary of the autonomous region. Sold with the original box and matching COAs.
HID02901242017
Estimate: 800-1200 USD