the golden age of American illustration archive gesture drawings color pen and ink and pencil sketch vehicle concept design game asset of sketches watercolor of a retro steampunk airplane ww1 by Stanley Artgerm Lau, WLOP, Rossdraws, James Jean, Andrei Riabovitchev, Marc Simonetti, and Sakimichan, tranding on artstation , assets, character design, tending on pinterest, trending on cgtalk, trending on concept art, trending on vehicle design