Parker's line of sac-less pens. The first was called the Golden Arrow, but because of a patent infringement on the name was quickly changed to vacuum-filler. The next year the name was changed to Vacumatic. The Vacumatic underwent many changes and styles before it was discontinued in 1947.

Many pen makers developed their own variaton of the succesful Parker Vacumatic. All of their systems, with various technical solutions, do create a vacuum by pushing a rod into the barrel which then sucks the ink into the barrel.

One of the last Eversharp models before the company was bought out by Parker. Also called the burp pen, the ventura was not a high quality pen and was not a commercial success.

a pen that is sterling with gold-plating overlays. Vermeil pens are scarce, usually of very high quality, and considerably more valuable than sterling or gold-filled models.

a section that is clear allowing one to view the ink supply. Fewer pens in most models were made with these sections, and they tend to enhance value.

Early spring loaded pen clip which was sold to many pen companies.