Parker Vacumatic pencils sold far less than their fountain pen counterparts, which Parker chalked up to the Great Depression. Nevertheless, Parker didn't stop innovating the Parker Vacumatic line. In 1939 it released the Parker Non-Stop pencil to pair with Vacumatic fountain pens. Unique to the Non-Stop was that it was a cap-activated click pencil! This was not a common feature in that era. Plus, the .9mm leads now fed directly from the spare lead reservoir. As such, these pencils held much more lead and required way less effort to keep writing. Our vintage pencil has a couple of deep scratches, which you can see in the tail cap in the photo. Especially unique is the wide stacked-coins cap band, which has a blank initials' plate. A hardened eraser and spare red leads are included. 13.1mm.