Reflex
331
Fountain Pen

Filling System
Piston Filler
Condition
Good, showing signs of age with discoloration on the ink window and mild brassing
Estimated Value
$80 - $150
Era
Vintage 1930s-1940s
Pen Specifications
Pen Type
Fountain Pen
Filling System
Piston Filler
Body Material
Ebonite
Trim Material
Gold-Plated
Color / Pattern
Black with Brown Ink Window
Cap Type
Screw Cap
Clip Design
Simple wire or flat metal clip with slight curvature
Barrel Shape
Flat-Top Tapered
Nib Details
Nib Material
Steel
Nib Size
Medium
Nib Type
Semi-Flex
Nib Condition
Fair, minor oxidation but structurally sound with good tipping
Dimensions
Size / Dimensions
Approximately 125mm capped, 118mm uncapped, 155mm posted; diameter 12mm
Weight Estimate
15g, well-balanced and lightweight
Heritage & Origin
Era / Period
Vintage 1930s-1940s
Country of Origin
Germany
Rarity
Uncommon
Condition & Value
Overall Condition
Good, showing signs of age with discoloration on the ink window and mild brassing
Filling System Condition
Untested, requires piston seal replacement/servicing
Estimated Value
$80 - $150
Special Features
Translucent brown ink window displaying internal ink levels
Ink Recommendations
Standard washable fountain pen inks such as Waterman Serenity Blue
Care Recommendations
Flush gently with lukewarm water; avoid harsh chemical cleaners and direct sunlight to protect the ebonite and vintage seals
Interesting Facts
Reflex was a secondary brand often used by European manufacturers during the mid-20th century to market reliable student or mid-tier writing instruments.
Overall Assessment
A charming and historically interesting vintage European piston filler that makes a great restoration project for vintage pen enthusiasts.