Unknown Japanese Vintage Maker
Safety Pen / Eyedropper
Fountain Pen

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