China
People's Republic gold Error "Basel International Coin Week" Panda Proof 1 Ounce Medal 1988 UNC, KMX-MB21. PAN-90A. Mintage: 550. An intriguing Sino-Swiss medallic issue that was struck using dies intended for a platinum version, reading "1oz Pt" instead of "1oz Au". Highly sought and most desirable in such a quality condition.
HID02901242017
Estimate: 1500-2000 USD