Painted watercolor paper that has been glued, with gel medium, to a piece of ordinary plywood.  I may come to regret having used ordinary plywood in the future but for today's sample it will be fine.

I'm waiting for the gel medium to dry! Dry times are the hardest part about mixed media and my work shelf is currently unavailable, its one of those black wire shelves, actually dh combined two of them for me, that has 9 shelves that are approximately 7 inches apart.  So now I wait for this piece, and several others I have in progress, to dry.