Parker Vacuum Filler and Vacumatic fountain pens in Grey Pearl (3). Parker pens in Grey Pearl include early Vacuum Filler demonstrator, marked Demonstrators Not For Sale on barrel along with Standard model and Junior Shadow Wave pens. All with 14K fine nibs (tip damaged on Vacuum Filler). Overall mixed condition, Vacuum Filler missing one cap band, Junior missing rear tassie. Early Vacuum Filler fountain pens are uncommon.