So I know with paint there is quality concerns with light and fading. Is it a concern for pencil and pencil crayons? Because I have a lot of them floating around. It's like my paper question, can I use a basic brand pencil for a work and sell it, should I be concerned with it's longevity on paper. For application I know crayola pencil crayons apply differently than Faber-Castell, just so I am clear, not what I am asking.
Thanks,