I found this Genovation ControlPad CP24 at a thrift store for $7. It's got Cherry Black switches and I'm waiting for a cable to see if it works. So far I know
PROVANTAGE: Genovation CP24-USBHID Controlpad 24KEY USB HiD 6FT Cable
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Genovation Computer Input Devices
Genovation CP24-USBHID cp24usbhid Controlpad 24key Usb Hid 6ft Cable.
CONTROLPAD 24KEY USB HID 6FT
Genovation ControlPad CP24 MAC USB HID - DSI-Keyboards.com