Logitech TrackMan Marble Trackball Mouse T-CH11 PS/2 804122-00

Logitech Trackman Marble Trackball PS/2 Mouse T-CH11 804122-1000

Vintage Logitech TrackMan Marble T-CH11 Mouse with PS/2 connector

Logitech PS/2 Trackman Marble Wheel Mouse T-CH11 (NOT USB)

Logitech T-CH11 Trackball TrackMan Marble 3 Button Mouse TESTED WORKS!

Logitech TrackMan Marble T-CH11 Vintage Trackball Mouse PS/2 Wired Red Ball

Logitech PS/2 Trackman Marble Wheel Mouse T-CH11

Logitech TrackMan Marble Trackball Mouse T-CH11 PS/2 Wired Beige/Red Tested