De kaart is gratis en biedt de mogelijkheid om ook anonieme betalingen uit te voeren.
https://forum.arduionly.com.au/showthread.php?tid=69957
http://horsecity.ru/phpBB3/viewtopic.php?f=22&t=189811
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https://talkingpoints.org/subx/showthread.php?tid=5748
http://aficionado.pl/showthread.php?451 ... s&p=490695
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https://www.ww2.site/forum/viewtopic.php?t=116309
http://forum.spolokmedikovke.sk/viewtop ... 4&t=835062