Numismatic Puzzle: Dragon and Phoenix

The piece of today’s puzzle comes from the upcoming Künker Fall Auction Sales:

1,500 Yuan gold coin as a part of the commemorative coin set 1990 “Dragon and Phoenix”. Set No. 9 of 50 issued sets. Proof. From Auction Künker 412 (2024), lot 1276. Estimate: 50,000 euros.

Have fun with the puzzle!