I believe it is 16 x 20 hot press crescent illustration board. I maybe doing the art in a mixture of markers, gouche, watercolors, who knows. All I know this thing is going to be a doozy! It is going to be the mother of all mothers of illustrations.

I ended up winning!!!
Erica tells me that I get to pick up to 2 characters & a setting/background.......if anyone wants to help me out with suggestions/ideas, post them here......