This genuine Swiss-made Maxon 3W motor is New Old Stock and unused, it is whisper quiet in operation.

With precious metal brushes and complete with a 12 cm ( 4.5 inch ) wiring tail.

Specification:

Motor Part No.  2522.838-12.112-000
Nominal Voltage:   24V dc
No Load Current:   3.24 mA
Max continuous current:  211 mA
No Load speed:   8660 rpm
Body diameter:  22mm
Body length:   32mm

Gearhead Part No.:  110482
Body diameter:  24mm
Body length:  22mm
Output shaft length:  10mm
Output shaft diameter:  5.0 mm 
Ratio:  32:1 giving approximately 270rpm at nominal voltage. 

From a non-smoking home, it will be sent by Royal Mail Tracked 48.