This might be an exercise in futility but I'm gonna do my best to bring this back to life. It deserves a try.
The vendors' pics were accurate:
Attachment 173023
Attachment 173024
Never having attempted this before, I decided to "soak" the blade in CLR for 1 hour at room temperature.
Attachment 173025
After this, a quick scrub with a green scotch-brite and detergent in warm water.
I then sprayed the blade with WD-40 and went to work with my dremel clone and a wire wheel.
This is the result so far:
Attachment 172941
Attachment 172942
There is a rising sun etching on the blade face and it looks like I'm going to lose most of it,
but the tang stamps are still good. I can only show a vendor pic as my camera can't pick it up.
Attachment 172944
I ran my thumbnail along the edge and gee whiz it is ragged to say the least !!
That's all for today but I will continue to attempt to give this little blade the attention it deserves.