English pattern (poker) playing cards:
"Playing card <suit> <rank>.svg" series by Cburnett (Wikimedia Commons),
licensed CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0/).
Joker: "Playing card black Joker.svg" by Hpesoj00 (Wikimedia Commons),
licensed CC BY-SA 4.0.
Source: https://commons.wikimedia.org/wiki/Category:SVG_English_pattern_playing_cards