China
People's Republic Proof "Potala Palace" 10 Yuan 1985 PR68 Ultra Cameo NGC, China mint, KM127. This frosty delight was struck to commemorate the 20th anniversary of the Tibetan Autonomous region. Featuring Potala Palace which was once home of the Dalai Lama this issue was limited mintage to 3000 proofs.
Estimate: 400-600 USD