Unknown Japanese Vintage Maker

Safety Pen / Eyedropper

Fountain Pen

Unknown Japanese Vintage Maker Safety Pen / Eyedropper

Filling System

Eyedropper / Safety Pen Mechanism

Condition

Fair / Parts or restoration project with original price label still attached

Estimated Value

$50 - $150 depending on restoration potential

Era

Pre-WWII / 1920s-1930s

Pen Specifications

Pen Type

Fountain Pen

Filling System

Eyedropper / Safety Pen Mechanism

Body Material

Ebonite (Hard Rubber)

Trim Material

Gold-Plated or Brass

Color / Pattern

Red-Brown / Mottled Ebonite

Cap Type

Screw Cap

Clip Design

Simple ball-end vintage clip

Barrel Shape

Flat-Top / Tapered

Nib Details

Nib Material

14K Gold (presumed missing/historical)

Nib Size

Fine/Medium

Nib Type

Flexible

Nib Condition

Missing (nib and internal spiral rod not visible)

Dimensions

Size / Dimensions

Approx 125mm capped

Weight Estimate

Lightweight, around 15-20g

Heritage & Origin

Era / Period

Pre-WWII / 1920s-1930s

Country of Origin

Japan

Rarity

Uncommon vintage artifact

Condition & Value

Overall Condition

Fair / Parts or restoration project with original price label still attached

Filling System Condition

Needs complete restoration / cork seal replacement

Estimated Value

$50 - $150 depending on restoration potential

Special Features

Original 300 Yen vintage paper store price band still intact on the barrel

Ink Recommendations

Standard dye-based fountain pen ink once restored

Care Recommendations

Store away from direct sunlight to prevent ebonite discoloration (oxidation); handle brittle vintage hard rubber with extreme care

Interesting Facts

The presence of a Japanese Yen price label indicates this was an early export or domestic Japanese market pen from the pre-war era

Overall Assessment

An intriguing historical project pen for a restoration specialist, notable for preserving its original store price band

Identified on October 7, 2026
Unknown Japanese Vintage Maker Safety Pen / Eyedropper | Fountain Pen Identifier