A 30mm AFV (armoured fighting vehicle) brass cannon shell case.

Marked '30mm AFV RG 75 17' on the base with 'LI7A1 53CY9/75' in the centre, please see close-up image.

42mm base diameter, the shell measures 170mm in height.

A previous owner has added a hardwood insert to the top.

Some minor surface spots, please see images.