Vintage 1983 AC/DC 'Flick of the Switch' GIANT European Subway Poster 39" x 59"!

Description

Very RARE vintage 1983 AC/DC Angus Young 'Flick of the Switch' GIANT European Subway Poster. Measures 39.5 inches wide x 59.5 inches high. Will be shipped folded up the same as it had been stored.
Condition: Has 5 horizontal creases across poster and 3 vertical creases across poster from being stored folded. Has 2 yellow stains at the top - one above the A and one above the D and 2 yellow stains at the bottom - 1 below the S in Switch and one below the I in Switch. These stains are mirror images in the same spot at the top and bottom that occurred while folded.
Not sure what they are.
Has AC/DC written on the back in ink twice (written on the back of the red parts of the poster, so not visible on the front). Light edge wear from age and storage, but no major tears, no pin holes and no tape marks. Appears to have never been hung up. Please see all photos. Sold in as-is vintage condition.