Morgan

Morgan made three-wheeled vehicles from 1909 (allowing registration as a motorcycle) as and four-wheeled vehicles from 1936.

Morgan (~1929) (holes not original)
Size: 104mm x 46mm

Morgan
Size: 110mm x 34mm

Morgan 4/4
Size: 151mm x 50mm
Morgan 4/4 refers to 4 wheels and 4 cylinders.