Hi Dave, looks like the red is as lovely as the green.

You have done a good job on your restore but I agree with Hannie that it looks like you have done it from the master Curves Adjustment for all the channels? I played around with this one and the normal way of finding the neutral gray, black, and white in Curves didn't prove that successful.
I decided that since I wanted to tone down the red to go to Lab in the beginning. Go to Image>Mode>Lab. Go over to your layers and click on the channel's tab. In Lab you will see a lightness channel, click on it. Once it pulls up the black and white, go up to Image"Adjustment?Shadow/Highlights. Pull the slider to the left to around 20% on the shadows and hit OK.

While still in Lab's channel click on lab above the lightness channel and then hit Crl M (PC) to bring up the Curves box. (On my example I have the darkness and lightness arrows reversed from what is the default.) Look at the pull down menu and pick channel a, which is the one that holds the red and green colors. Sometimes I will click on the photo to see where I need to add a point and if I need to pull the curve away from that color. This time I clipped some of the red by moving the line up. After you finish, click OK. Go back up to Image>Mode> and change back to rgb.

I still wasn't happy with the amount of red, so I created an Adjustment Curves Layer and went to the pull down box and chose red. I did that rather than using the master, which would have caused problems with the other colors. I tweaked it where I liked it and then hit OK.

Here is the final, which still needs work, but I am happy with the skin color and also the color of the man's suit. The curtains need work, but for that I would work on a separate layer.

Thanks for the incredible amount of restorations you are doing. We enjoy seeing your WIP.
Margie