Who is the maker of this small pocket knife?

Looks like Hammer Brand or Imperial. The were other manufacturers that copied the style though. Even Japan. I think I see the arm with hammer.

 

This is the ABSOLUTE BEST I could 'clean' it up....maybe @terry5732 hit it right, or if not, someone else can figure it out!! Good luck!

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that's a tough one.......

 

Nice info ,I liked .Thank you.

 

There is a product called Big 45 or also just check out gun barrel cleaning pads. They look like scoring pads but are probably made out of nickel. They are great for cleaning pocket knife blades since they don't scratch. Just don't use them on the brass or nickel bolsters. You can also use a nickel to scrape the rust off of the blade but the pads work best. It looks like your pocket knife good use a scrubbing with one of these.