China
People's Republic Certified silver and gold "Singapore International Coin Fair" Panda Medallic Proof Set 2012, 1) 1 Ounce Silver Medal - PR70 Ultra Cameo NGC2) 5 Ounce Silver Medal - PR70 Ultra Cameo NGC3) 1/2 Ounce Gold Medal - PR70 Ultra Cameo NGC4) 5 Ounce Gold Medal - PR70 Ultra Cameo NGCThe gold 5oz Panda is numbered 045 on the edge.
Estimate: 15000-20000 USD