Numismatic Puzzle: Greenland Pillar Dollar

The piece of today’s puzzle comes from a Künker auction:

Denmark. Christian VII, 1766-1808. Piastre 1771 (minted in 1774), Copenhagen. Minted by the Danish Asia Company. So-called Greenland Pillar Dollar. From the Salton and Ragoczy Collections (1961), No. 670. Very rare. Very fine +. From Auction Künker 379 (2023), lot 81. Hammer price: 55,000 euros.

Have fun with the puzzle!