Unicomp Ultra Classic Model M US APL Black Buckling Spring 104 Key USB Keyboard: Amazon.ca: Electronics
Jared Petty on Twitter: "My glorious seven pound Unicomp IBM Model M keyboard in original 101 layout and USB interface with CLICKY KEYS has arrived.… https://t.co/3SfyxtRzpb"
Unicomp - Wikiwand
Unicomp - Wikipedia
Unicomp Ultra Classic White vs Unicomp Ultra Classic Buckling Spring detailed comparison as of 2020 - Slant