Thanks for the input. Tweaked some more, a couple of re-vised photos for comparison and a few more.
First the color should be balanced, there's still way too much magenta cast in them overall. I have sympathy though, old stuff can be notoriously difficult to fix, sometimes there's just too much fading. But I think these are within range of rescue. Kgturner's image, even though it's a modern shot, is a good reference for the color balance. Not that it has to be exact, your shots could still have some cast to maintain the vintage feel, but that's more where you wanna be.
I wouldn't go here with the high radius sharpening though, it looks really artificial. That only works at very low Amount levels if you want to boost edge contrast. What I would do is maybe start off with a light, high-radius sharpening to enhance the 'clarity' just enough so that it doesn't cause halos, and then go for a second small radius, 2 pixel or less sharpening to crisp it up a bit. Of course this depends on your native resolution of the file of course. Print sharpening and screen sharpening can require different settings.
