10 Austro-Hungarian crowns
Franz Joseph I, by the grace of God Emperor of Austria, King of Bohemia, Galicia, Illyria and other realms, Apostolic King of Hungary.
A Monero self-checkout system. Using a terminal user interface. Running on an old Raspberry Pi with 1 GB of memory. Everything is controlled via the bluetooth barcode scanner. You scan the goods and then a »pay now« QR-code next to the terminal. It is in alpha status.
https://odysee.com/@pcre:e/A-simple-point-of-sale-terminal-:4