I have this turn of the century photo I want to retouch/restore the subjects face and am willing to spend hours to improve the subject's face.
I started to fiddle using the spot healing brush and rubber stamp capacity 15% and did improve slightly however if there is another method then possible the work would be more productive.
Here is the photo:
Please check this link: Welcome
You can use the clone stamp tool to restore the image as well, as depicted in this video:
Adobe Photoshop old photo restoration - photo touchup - YouTube