My response has been to use Japanese papers proven to last over 1000 years with photographic processes from the 19th century, toned in platinum and/or palladium, which are made primarily as art objects to be held in the hand rather than framed on a wall behind glass or acrylic.
Also subscribe to the Japanese aesthetic, where when they are displayed on a wall, they are displayed seasonally or for shorter periods of time as an association/recognition of a guest, or event.
There is no intension on my part to have them on permanent display; in fact, I would discourage it for reasons other than longevity.
This is mostly theoretical...have not felt a need to seek gallery representation...yet.