Sheaffer's name for their early plastic. Sheaffer made the first plastic pens in 1924. Celluoloid as well, like Permanite and Pyralin.

A mechanical pencil that feeds the lead from the barrel and does not have to be fed through the point.

refers to a floral relief metal pattern best known in early Watermans. Some of Waterman's repousse pens are among the most beautiful and the most valuable.

abr. red hard rubber.

a pen with a ring for a chain or ribbon on top instead of a pocket clip. These are usually lady's pens since it was considered inappropriate for women to wear pens in an external pocket.

another pattern used to adorn hard rubber pens. Ripple designs are best known in Waterman's pens and came in several color patterns.

A distinctive swirl patterned hard rubber pen produced by Waterman - colors were blue/green, olive, red & rose.

Like gold filled metal, but the sheets were rolled out before being bonded. This is a cheaper material than gold filled and wears faster.

Wahl's exclusive clip that had a small ball at the end that aided in moving the clip over pockets. Wahl probably obtained the patent for the clip when they purchased the Boston pen company.

a special line within Parker's Challenger series. Royal Challengers had a distinctive sword clip early on which was changed to a stepped clip. They are also distinctive in their herringbone design in three colors: gold, silver and burgundy.