Tags with aircraft serial numbers were cut from fuselage and cockpit panels of several former Yugoslav AF MiG-21s. Those numbers were written on the panels by the maintenance crews and are very unique to signify the history of each airframe.
Additional information:
Dimensions: approx. 88 mm x 37 mm (3.46″ x 1.45″)
There may be a slight difference between the color shades on your screen and those on the actual tags.
