A Parker 51 cap design that is reminiscent of the silhouette of the Empire State Building in New York City. In green and pink 14k gold, the Empire cap is very valuable and collectible.

Conklin's line of flat-top pens during the '20s. In the early '30s Conklin introduced the Endura Symetrik which followed the streamline trend of the era.

Wahl-Eversharp's entry into the streamlined pen design fashion of the early '30s. The Equipoised only lasted a few years before being replaced by the Doric. Note that "Equipoised" was Wahl's term for this pen, while the contemporary Bexley is called "Equipoise.""

A Mabie Todd line which ran from 1924 through the late '30s.

The Wahl Adding Machine Co. purchased the Ever-Sharp mechanical pencil company in 1914. Soon after, they began producing fountain pens under the Wahl name having purchased the Boston Pen Co. In 1941, Wahl changed the name of the entire company to Eversharp. Parker bought Eversharp in 1957, but the Wahl company still exists making barber tools.