>Although this is simply anecdotal evidence, I have a couple of Kallitypes I
>did five years ago with strict lab procedures. (Developed 2x5 min, cleared
>EDTA 3x5 min, selenium toned 2 min, fixed plain hypo 2x5 min,
>hypo-eliminated 10 min, washed 1 hour). I felt that with careful attention
>to the details of the process, these images would last as well as any
>silver print. Oh yes, I also frame all my prints, so while it's hardly an
>inert environment in the frame, there is a certain limitiation to gasses