> Sharpies work well because the solvent in them dissolves the plastic > a little so that the ink bonds to the card coating when it dries. One > down side of this is that a little bit of plastic gets sucked into > the tip of the marker. I wonder, could you use a sharpie to quickly "paint" the raised surface of a rubber stamp, then stamp it on? david. (or, could you use a very thin but strong plastic tape to protect what's been drawn on?)