nostr:npub1mu9wmykl7qx5llk69axd3rvk0hzhdd25jsqtj2hmnzjpn2sxum6s8jjj0t
Floppy discs were around long before the C64 even existed (they had one for the VIC-20 before it, for example... same drive that later was recolored to match the C64) but I know you meant before it became more common. If the keyboard was huge, are you sure it wasn't a Commodore 128?