In 1989-P the Bank of China released it's yearly Limited Issue Panda Gold Proof 5 Coin Set all struck in solid fine .999 Gold and includes the 100 Yuan, 50 Yuan, 25 Yuan, 10 Yuan and 5 Yuan Coins all struck to a proof finish with a special "P" Mint Mark.
The reverse design of Panda coins change each year while the obverse design features the Temple of Heaven building in Beijing.
These legal tender coins have been struck to proof quality using specially prepared dies and highly polished blanks.