Photo credits
The photos are cropped to circles. Elegantino illustrations are used for the Maple Leaf, Canadian 100 dollars, Belgian 50 ECU and Kangaroo.
- Dutch gold ducat (1814) · Rijksmuseum · Public domain
- 10 guilder Wilhelmina (1897) · Rijksmuseum · CC0
- Gold Sovereign (2017) · Gary M. Greenbaum · CC BY-SA 4.0
- Gold Krugerrand (1 oz) · Slashme · CC0
- Belgian 20 francs (Latin Monetary Union) · CoinInvest GmbH · CC BY-SA 4.0
- French 20 francs (Latin Monetary Union) · The Metropolitan Museum of Art · CC0
- Swiss 20 francs (Latin Monetary Union) · CoinInvest GmbH · CC BY-SA 4.0
- Italian 20 lire (Latin Monetary Union) · CNG · CC BY-SA 2.5
- German 20 marks · Ibidem · CC0
- Danish 20 kroner · Lennart Larsen, Nationalmuseet · CC BY-SA 4.0
- US 20 dollars (Double Eagle) · US Mint (coin), National Numismatic Collection (photo: Jaclyn Nash) · Public domain
- Austrian 100 corona · National Numismatic Collection, Smithsonian Institution · Public domain
- US 50 dollars (American Eagle, 1 oz) · United States Mint · Public domain
- Mexican 50 pesos (Centenario) · Daderot · CC0
- Wiener Philharmoniker · Honeplus · CC BY-SA 3.0
