PS/2 Finger mouse Model FDM-G10 Vintage Rollerball Finger Mouse PS/2 Connection

Trust AMI Hand Track PS/2 Handheld Rollerball Mouse Biege FDM-G10 Retro TESTED

Ami Trust FDM-G10 Finger Held Trackball Mouse PS/2

FDM-G10 Rollerball Finger Mouse PS/2 Connection

Vintage WT-9HI Roller Ball Mouse Serial PS2 Adapter Untested

VTG Con Way Aqua Rollerball Liquid Computer Mouse Untested

FDM-G10 FINGER MOUSE W/ ROLLERBALL m-1

Vintage 3-Button PS/2 Rollerball Mouse -