Have You Caught the Artists' Trading Cards Bug Yet? You Should! ATCs began in Zurich in 1997 and have grown in popularity with many trading and showcasing websites thriving now. Surfaces can be board, fabric, watercolor paper, wax, metal or wood; card faces can be decorated with painting, drawing, gluing, spraying, stamping and more. This template makes creating a batch of ATCs easy. Instructions and ideas as well as a list of websites are included.