Classicaly the gum print is applied over the Platinum (or any other silver based process) print. I really don’t know why but I have begun to experiment in the oppsite way, first the gum print and over it the salt print.
The outcome have been really interesting, the prints have the texture of the gum prints but also some of the silver glow of long exposed salt prints. It’s a shame that the scanner can’t capture how the tones of the pieces change when are moved.
The images are: