Vintage Microsoft Mouse Port Compatible Mechanical Ball Mouse PS/2 Untested

Vintage Microsoft 37966 Mouse Port Compatible Mouse - GA45

Microsoft 37966 PS/2 Two-Button Mouse Rollerball

Microsoft IntelliMouse Trackball Mouse, Serial PS/2, Vintage UNTESTED

Vintage 3-Button PS/2 Rollerball Mouse -

Vintage Microsoft IntelliMouse 1.3A PS2 Wheel Mouse X05-53748 - Untested

Vintage Microsoft Mouse Port Compatible Mouse 2.0A 58267 2-Button PS/2 UNTESTED

Vintage Microsoft Intellimouse 1.1A PS/2 Rollerball Mouse Beige No. 92658