TRON original 1982 3D Lenticular Magnet Cover for Blu-ray steelbook

Description

Lenticular magnet for steelbook, has four different images depending on the angle held at, 4th image was hard to capture with the camera but has the light cycles as can be partially seen in the 3rd image.
Measures 6-5/8 x 5-1/4 or 168mm x 133mm
From a smoke free home.