It looks good. But the one problem I have with this is that it no longer looks "real."
I spent I don't know how many hours, days, weeks, cleaning up historic photos for several published books, and this was the problem I found a lot. If you try to take away all the squiggles and dust particles and cracks by using the despeckle or dust and scratches filter, a lot of the detail is lost and they start to look like they're coated in plastic.
Please don't take this as a put-down! Just sharing what I've found over the last several years. I really appreciate your efforts! I just need to spend some more time with my camera's manual so I can get some of those stellar shots ...