20 Sets Reusable Calligraphy Disappearing Pen Automatically Disappears and Faded Blue Ink No Trace Copy Pen Exclusive Stationery 20 Sets Reusable Calligraphy Disappearing Pen Automatically Disappears and Faded Blue Ink No Trace Copy Pen Exclusive Stationery. Sale price : $8.05 Category : Office & School Supplies