Back then as a teen as I wrote much text on the C64 and did not quite like the original keyboard I somehow managed to attach an external C128D keyboard to my
Commodore 128 disassembly - Dreamcast.nu
Commodore+128d+Personal+Computer+Vintage+C128D+With+Keyboard for sale online | eBay
Commodore 128D C128D Personal Computer w/ Keyboard & Guide Sold As Is No Power | eBay