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Ah yes, much better.
Keep it clean and oiled, don't use metal polish for sure. The blade was highly polished before the blueing treatment, or what ever it is. Its like mirrored window tint in a...

It does look more like it took a vinager bath, than blued.
http://uploads.tapatalk-cdn.com/20161115/dceecfe9504cdc4625de8eab5017c507.jpg

If its anything like s polished gun barrel, I'd say keep it wiped down with a silicone gun cloth, or hoppe's #9. JMO.