Each day every October (Inktober) for the last handful of years, I've watched classic horror/spooky movies and do portrait paintings in ink of the characters. These are original paintings and no prints are made.
India Ink on 5"x7" Acid Free Paper.
Inktober - Freddy
To preserve your watercolor, frame with an acid free mat and UV protectant glass and hang out of direct sunlight.