Nib: Fine 14k Gold
Duovac Senior The striped Duofolds 1940-1948 Blue & Black Button filler, black blind caps. No tassie girdle. g/f clip / Visiometer ink vue with button filler.Made in USA Stamped “Parker Duofold” on barrel
In 1940 the Duofold Vacumatic, collectors often referred to as the Duovac, was an attractive, striped pen, the design initially referred to by Parker as the "Laidtone".