That is a while back. Looking at that I still see the image quality with the 5D superior than the 5DMKII. Since it was done, the improved process engine in LR would have made it better.
The settings in LR are Temp 4447 K
+ 19 orange
The sepia is done after retouching in LR on a virtual copy of the psd or tiff.
Set to H 30 6 saturation highlight and H30 Saturation 14 shadow balance 0 , just use the saturation until it looks good.
This one is so simple. There is almost no retouching, other than a few bumps on the skin, and a quick mask painted selection and an adjustment layer curve. You can do this with a DB layer too, whatever you like and whatever works. In any case be careful to apply any curves or D&B with luminosity mode as if it were sepia toned you’d color cast the image.
At first I thought it was a P70 close to the ceiling, what I often use but upon further inspection I see it is the big octa with the diffusion peeled back half way. It is used in the “douche” position like a giant shower head. All you have to do when doing this is angle the light towards and away from the camera to see where the light on the eyes is correct. It is high, about 1 metres above, it has the edge closest to her with the diffuser still Velcro’d and a black cinefoil to prevent background spill. The close edge diffusion scrim ( camera side) is undone, and rolled towards the middle of the octa. This gives a silver specular highlight on the hair, skin much more lively than the flatness of the diffuser would have otherwise.
The light is about 1m in front of the centre of the models head.
There probably was a gobo /black cardboard parallel to the floor to stop light spilling onto the charcoal grey background ( seamless paper)
Second light. A large strip light on the right painted to give some graduation on the background from right to left, and to slightly edge light the subject especially the eye when in profile.