Diplomat
Aero
Fountain Pen

Filling System
Cartridge/Converter (International Standard)
Condition
Excellent (Minor visible wear)
Estimated Value
$120 - $160 USD
Era
Modern Production (launched 2013-present)
Pen Specifications
Pen Type
Fountain Pen
Filling System
Cartridge/Converter (International Standard)
Body Material
Anodized Aluminum
Trim Material
Chrome/Matte Silver Finish
Color / Pattern
Blue with fluted/grooved texture
Cap Type
Snap Cap (Soft-sliding click)
Clip Design
Streamlined spring-loaded teardrop design
Barrel Shape
Zeppelin-inspired aerodynamic/cigar shape
Nib Details
Nib Material
Steel
Nib Size
Extra Fine (EF)
Nib Type
Standard (JoWo sourced)
Nib Condition
Excellent; well-aligned tines, clean engraving
Dimensions
Size / Dimensions
Capped: 140mm; Uncapped: 129mm; Posted: 158mm; Diameter: 15mm
Weight Estimate
41 grams (Heavy weight with body-centered balance)
Heritage & Origin
Era / Period
Modern Production (launched 2013-present)
Country of Origin
Germany
Rarity
Common
Condition & Value
Overall Condition
Excellent (Minor visible wear)
Filling System Condition
Fully functional converter system
Estimated Value
$120 - $160 USD
Special Features
Unique fluted body design inspired by 1920s Zeppelin airships; tactile matte grip section
Ink Recommendations
Diamine Royal Blue, Robert Oster Fire and Ice, or Diplomat Royal Blue
Care Recommendations
Clean with lukewarm water; avoid harsh chemicals on anodized aluminum; store in a soft pouch to prevent scratches
Interesting Facts
The Diplomat brand was founded in 1922; the Aero model's distinctive shape is a tribute to the industrial design of the early 20th century.
Overall Assessment
A robust, high-quality German-engineered pen known for one of the best out-of-the-box steel nib experiences and a satisfying mechanical cap closure.