Has appeared in comments, but deserves its own thread: the MX510 Logitech mouse. Mine is approaching a decade old; still functions perfectly. : r/BuyItForLife
Shell/Cover case Replacement For Logitech MX518/G400/G400S/MX500/MX510 Mouse | eBay
Logitech MX510 Optical Mouse Red Wired USB Gaming Tested Works M-BS81A MX 510 | eBay