Quote Originally Posted by Lex Jenkins
Also, some say that a stack of prints, unmounted and with no tissue interleaving, is easier for a gallery owner/manager to sort through.
They should always be mounted and overmatted. Otherwise they are not finished prints. When showing them they should never have interleaving material in between. You want the gallery owner or curator to see as much of your work as possible in what is usually a very limited amount of time.