China
People's Republic gold Proof Panda 1000 Yuan (12 oz) 1991 Gem Proof, KM355, PAN-147A, Cheng page 99, #1. Mintage: 400 pieces. A very rare issue and the first example we have seen. Much rarer than the mintage of 400 pieces might suggest. Housed in the original mint-sealed soft plastic.
Estimate: 65000-75000 USD