Modifiche

{| style="width:90%;" border="1" cellpadding="3"

{| style="width:90%;" border="1" cellpadding="3"

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!width="15%" | Modello

!width="10%" | Modello

!width="20%" | Anni

!width="10%" | Anni

!width="20%" | Colori/Decorazione

!width="40%" | Colori/Decorazione

!width="20%" | Dimensioni/Versioni

!width="40%" | Dimensioni/Versioni

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|-

| [[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

| [[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