Rare 1988 CHINA Gold Panda SWISS Basel Coin AU PT ERROR NGC PF69 Certify. Up for Sale is for A Very Rare 1988 China 1oz Gold Panda SWISS Basel Week PT Error Coin. This coin is incorrectly Mint with “PT” acronym instead of ” AU” for Gold. This coin is Certify Proof PF69 ULTRA CAMEO by NGC (a prestige grading company). This coin was made by China Mint in 1988 to celebrate SINO-SWISS Friendship during Basel International Coin Week. The Coin contains 1oz of. 999 Gold, Features A Panda on 1 side and China’s Great Wall & Swiss Castle on the other side. There were 2 versions made for this gold coin, one was incorrectly Minted with. 9995 PT”(Platinum) acronym and One was correctly minted with the “. Even The Chinese words are printed in error as platinum instead of Gold. Less than 500pcs was minted. This is A great collectors item and Very Hard to come by and seldom seen. With technology and quality control, You seldom seen a Error coin of this magnitude from CHINA Mint. Makes a great Investment.