Following are available for sale:
Dell 24" monitor with DVI and VGA inputs - $SOLD (pics 1-3)
Dell docking station model PR01X for Latitude D series laptop (D-620, D-610) with DVI, VGA, PS2, Serial ports - $20 (pics 4-6)
Lenovo Thinkpad docking station model 4337 series 3 USB 3.0 for Lenovo Thinkpad T/L400 and T/L500 series laptop (L412 L512 T400S T410S T410i T420 T420i T510 T520) with DVI, DP, VGA, USBs - $60 (pics 7-9)
Dell docking station for older Dell latitude C series (C600, C610, C620) laptop (pics 14-16) - $10
Lenovo USB 3.0 Ultra repeater/docking hub model DK1523 type 40A8 with DP, HDMI, USB 3.0, 4K UHD support - $SOLD (pics 10-13) - This works with any laptop, not only Lenovo Thinkpad.
keyword Dell Lenovo IBM ThinkPad Microsoft Apple MacBook.