Most expensive coin sold at auction

The most expensive coin sold at auction is The 1933 Double Eagle which sold for $18,872,250 (£13,334,400 / €15,495,400) at Sotheby's in New York, USA, on 9 June 2021.

The coin, which depicts an American eagle in flight on one side and Liberty striding forward on the other, has a face value of $20. It is the only coin of its kind ever allowed to be privately owned. The expected selling price was $10-15 million.