The Special collection is one of the earliest pen shapes from the German brand Kaweco, and can be largely dated to 1927 with the Colleg Extra pen.
Kaweco Special Black 0.3 mm Mechanical Pencil
Kaweco Mini Special Aluminium Black Matt Pencil 0,5 Penworld » More than 10.000 pens in stock, fast delivery
Kaweco Special Mini Matte Black Mechanical Pencil 0.5 mm
Kaweco SPECIAL Mechanical Pencil 0.5 Mm/0.7 Mm/2.0 Mm Brass, Suitable for Precise and Graphic Drawing, Art Supplies - AliExpress
Lead Sizes for Mechanical Pencils - Blog
Kaweco Special Mechanical Pencil .5 Mini Matte Black – Hand-Eye Supply
Kaweco Mechanical Pencil - P.W. Akkerman Amsterdam, 4
Kaweco Special S Short black mechanical pencil 0.7mm - Fontoplumo
Kaweco SPECIAL push pencil 07 mostwanted pens