In 2001-D the Bank of China released a very Limited Issue Panda 20 Twenty Yuan Gold Coin with a special "D" Mint Mark struck in solid fine .999 Gold weighing one twentieth of an ounce of solid Gold which has been Certified Slabbed and Graded by PCGS as MS69 .
The reverse design of Panda coins change each year while the obverse design features the Temple of Heaven building in Beijing.