Reflex

331

Fountain Pen

Reflex 331

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.

Identified on August 9, 2026