Would anyone have an opinion on my second from the top bayonet? Specifically the colour/shade of the bayonet? Comparing the blades of my others, it has an obvious difference. Was it cleaned/polished or is that a natural patina of the metal?
Thanks.
https://www.milsurps.com/images/impo...0_105028-1.jpg
https://www.milsurps.com/images/impo...0_105045-1.jpg