China
People's Republic bi-metallic Proof Panda 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 COA #905.
Estimate: 2500-3000 USD