Modifiche

!width="20%" | Dimensioni/Versioni

!width="20%" | Dimensioni/Versioni

|-

|-

| [[Whal Pen|Wahl All Metal Fountain Pen]] || 1921--1928? || Lady, Junior, Medium, Standard, Large|| Check (o Unique), Ribbon, Grecian Border, Colonial, Zigzag, Hanlin, Ripple, Dart, Crisscross, Diamond, Checkerboard, RiRing Colonial, Colonnade, Console

| [[Whal Pen|Wahl All Metal Fountain Pen]] || 1921--1928? || Lady, Junior, Medium, Standard, Large || Check (o Unique), Ribbon, Grecian Border, Colonial, Zigzag, Hanlin, Ripple, Dart, Crisscross, Diamond, Checkerboard, Ring Colonial, Colonnade, Console

 

|-

|-

|}

|}