China
People's Republic bi-metallic Panda Proof 1 Kilo Medal 2015 PR70 Ultra Cameo NGC, Unlisted. Mintage of 2,000 pieces. This piece was issued in commemoration of the Chinese Moon Festival and includes gold recovered from a NASA vehicle that spent five years in orbit around the Earth. This lot includes the original case of issue and COA #815.
Estimate: 3000-3500 USD