China
People's Republic gold Proof Panda 10000 Yuan (1 Kilo) 2005, KM-A1580, Proof Details (Edge Damage) NGC. This extremely rare, and massive, piece has fully mirrored fields and heavily frosted devices with a few faint hairlines. The "edge damage" is an obverse edge bump at 10 o'clock. Housed in an NGC jumbo holder, and # 10 of a small mintage of 100 pieces. AGW 32.117 oz.
Estimate: 80000-100000 USD