Credits
Image credits
The coins in the money timeline are real photographs from Wikimedia Commons. Each was cut out of its background, re-centred, resized and tone-matched. The source licenses apply to the derived images; derivatives of CC BY-SA sources are shared under the same license.
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Electrum trite, Lydia
Electrum trite, Alyattes, Lydia, 620-563 BC.jpg
- Author
- Unknown / Photography by CNG coins
- License
- CC BY-SA 3.0
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Silver tetradrachm, Athens
Athens - 500-482 BC - silver tetradrachm - head of Athena - owl - Tübingen MUT.jpg
- Author
- ArchaiOptix
- License
- CC BY-SA 4.0
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Punch-marked karshapana, Magadha
I12 1karshapana Maghada 1ar (8482307176).jpg
- Author
- Jean-Michel Moullec from Vern sur Seiche (35, Bretagne), France
- License
- CC BY 2.0
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Denarius of Augustus, Rome
Roman coin, Denarius of Augustus (obverse) (FindID 711401).jpg
- Author
- Oxfordshire County Council, Anni Byard, 2015-03-17 14:37:49
- License
- CC BY 2.0
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Kaiyuan Tongbao, Tang China
S589 kaiyuan typeIA H141m 1ar85 (9124907472).jpg
- Author
- Jean-Michel Moullec from Vern sur Seiche (35, Bretagne), France
- License
- CC BY 2.0
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Gold dinar of al-Walid, Umayyad Caliphate
Gold dinar of al-Walid reverse, 707-708 CE.jpg
- Author
- Not credited
- License
- CC0
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Gold ducat of Vladislaus II, Hungary
Hungary Vladislaus II ducat gold coin 1491, mintmaster Bartolomeu Drágfi de Beltiug.png
- Author
- Mint-master: Bartolomeu Drágfi de Beltiug (Bertalan Drágffy de Béltek)
- License
- Public domain
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Mohur of Shah Jahan, Mughal Empire
Mohur of Shah Jahan (r. 1628-1658) LACMA M.77.55.12 (2 of 2).jpg
- Author
- not credited on the source page
- License
- Public domain
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Eight reales cob, Mexico City mint
17th Century Spanish Treasure Silver 8 Reales Cob Coin.jpg
- Author
- Coin: Casa de Moneda de la Ciudad de México.Composite image: Centpacrr
- License
- CC BY-SA 3.0
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Penny, Britain, 1860
- Author
- Heritage Auctions for the photo, Leonard Charles Wyon designed the coin
- License
- Public domain
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Morgan dollar (2021 commemorative strike)
2021 Morgan Commemorative Dollar Obverse.png
- Author
- www.usmint.gov
- License
- Public domain
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Two euro coin
2 Euro common face (Old Design) (5133941308).jpg
- Author
- Mark Morgan from Trinidad
- License
- CC BY 2.0
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Casascius physical bitcoin, 2011
Physical Bitcoin 2011 Casascius 1 Bitcoin Coin Token.png
- Author
- Tiberiandusk
- License
- CC BY-SA 4.0
Everything else
The Polypus octopus mark, the 3D coin, the diagrams and all interface illustrations are original work. Typeface: Inter Tight by Rasmus Andersson and contributors, SIL Open Font License 1.1. 3D rendering: three.js (MIT).