The final iteration of the M-1967 cover was adopted in 1973 - The 3rd pattern is identical to the 2nd pattern except for the addition of two vertical lines of stitching across the front and a drainage hole on the bottom. These additional features would carry into the LC-1 generation.
Check out our informative canteen series on our Instagram account for more information and a complete history of US military 1 Qt. Canteens.
In overall excellent condition with minor wear as seen. All fittings and fixtures are present and working. The cover has some light paint staining as seen