The scratch marks don't look like they are from honing. Honing only affects the edge and the part of the face at spine. These got there another way.

The tarnish can be polished off. You may find that the tarnish can be hiding shallow pitting and once polished off the pitting shows up more prominently. Hard to tell until you polish off the tarnish.

The razor is in excellent condition. I think you will enjoy your shaves with it.