Neo cardset (https://github.com/joeraz/neo-cards)

Original images based on https://code.google.com/archive/p/vector-playing-cards/ and modified by Joe Raczkowski.  The PySol logo on the Ace of Spades is used under the terms of the GNU General Public License version 3.  The remaining adapted work is released under a CC-BY-SA license.

Original sources for card back images are as follows - these were originally licensed under CC0 or a similar public domain license and were modified by Joe Raczkowski:

https://www.publicdomainpictures.net/en/view-image.php?image=255822&picture=weave-pattern
https://www.needpix.com/photo/download/881282/blue-plaid-check-blue-plaid-pattern-seamless-design-textile-fabric
https://www.publicdomainpictures.net/en/view-image.php?image=112210&picture=camo-pattern
https://pixabay.com/illustrations/blue-plaid-plaid-traditional-preppy-2699776/
https://www.publicdomainpictures.net/en/view-image.php?image=290597&picture=brick-wall
https://cleanpublicdomain.com/downloads/spiral/
https://www.publicdomainpictures.net/en/view-image.php?image=31051&picture=space
https://www.publicdomainpictures.net/en/view-image.php?image=16687&picture=clouds
https://www.publicdomainpictures.net/en/view-image.php?image=24101&picture=burning-fire
https://www.publicdomainpictures.net/en/view-image.php?image=77361&picture=red-rose&large=1
https://www.publicdomainpictures.net/en/view-image.php?image=162132&picture=multiple-lightning-bolts
https://www.publicdomainpictures.net/en/view-image.php?image=21751&picture=palm-and-beach
https://www.publicdomainpictures.net/en/view-image.php?image=149813&picture=ship-at-sea
https://www.publicdomainpictures.net/en/view-image.php?image=223151&picture=red-fox
https://www.publicdomainpictures.net/en/view-image.php?image=7284&picture=daffodil-flowers
https://www.needpix.com/photo/730911/diving-underwater-water-fish-yellow-pair-butterfly-fish-coral-sea
https://www.publicdomainpictures.net/en/view-image.php?image=170965&picture=statue-of-liberty
https://www.publicdomainpictures.net/en/view-image.php?image=93582&picture=colorful-macaw
https://www.needpix.com/photo/download/841855/poker-game-cards-chips-entertainment-green-money-gamble-casino
https://www.publicdomainpictures.net/en/view-image.php?image=148565&picture=arizona-landscape
https://www.publicdomainpictures.net/en/view-image.php?image=10979&picture=monarch-butterfly
https://www.publicdomainpictures.net/en/view-image.php?image=100873&picture=neuschwanstein
https://pixabay.com/photos/adorable-red-panda-animal-cute-1851590/
https://commons.wikimedia.org/wiki/File:Mona_Lisa,_by_Leonardo_da_Vinci,_from_C2RMF.jpg
https://www.publicdomainpictures.net/en/view-image.php?image=287102&picture=ayers-rock
