Microsoft IntelliMouse Optical 1.1 - PS/2 and USB D58-00026 B&H
OS/2, Ecomstation & Arcaos - Microsoft Mouse for DOS & OS/2 from 1990, strangely enough there is no mention of MS Windows on the package at all. https://www.ebay.co.uk/itm/Microsoft-Mouse-PS-2 -Version-Serial-interface-included-for-DOS-OS-2-Systems ...
TCoCD: Microsoft Serial-PS/2 Compatible Mouse
Mouse Microsoft Basic Optical 4YH-00008, USB/PS2, Alb - Pret: 46,27 lei - Badabum.ro
Amazon.com: Microsoft 3-Button USB/PS/2 Optical Scroll Mouse (Beige) : Electronics
Microsoft USB/PS2 Mice
A Converter You Won't Have: PS/2 Mouse To Serial Mouse | Hackaday
Vintage Microsoft PS/2 Wheel Mouse White 9526601735955 - Etsy Hong Kong
Microsoft IntelliMouse PS/2 Mouse, P/N: X08-70391, 673-00346
Mouse Optic Microsoft Basic, USB/PS2, Black, Bulk
Mouse Optic Microsoft Basic, USB/PS2, Black, Bulk
Microsoft Basic Optical Mouse - PS/2 and USB (White) P58-00001
Mouse Microsoft Basic, Wired, Optic, PS2/USB, Negru Pret: 55,99 lei - Vexio