China
People's Republic platinum Proof Panda "3rd Coin Collection Expo" 1/10 Ounce Medal ND (2015) PR70 Ultra Cameo NGC, cf. PAN-673A (unlisted in platinum or at this size). An elusive and apparently unrecorded medalet in platinum, this being the only example we have been able to locate.
HID02901242017
Estimate: 300-400 USD