Unknown
Specialty Extensible Nib Fountain Pen
Fountain Pen
Filling System
Lever Filler
Condition
Good vintage condition with visible wear on mechanism plating
Estimated Value
$300 - $600
Era
Vintage 1920s-1930s
Pen Specifications
Pen Type
Fountain Pen
Filling System
Lever Filler
Body Material
Hard Rubber or Ebonite
Trim Material
Gold-Plated
Color / Pattern
Black
Cap Type
Screw Cap
Clip Design
Standard vintage clip
Barrel Shape
Cylindrical
Nib Details
Nib Material
Gold-Plated Steel
Nib Size
Medium
Nib Type
Specialty Mechanical Extensible Nib
Nib Condition
Fair condition, complex mechanical linkage intact
Dimensions
Size / Dimensions
Standard vintage dimensions
Weight Estimate
Average for vintage hard rubber pens
Heritage & Origin
Era / Period
Vintage 1920s-1930s
Country of Origin
Unknown
Rarity
Rare
Condition & Value
Overall Condition
Good vintage condition with visible wear on mechanism plating
Filling System Condition
Needs restoration
Estimated Value
$300 - $600
Special Features
Complex mechanical nib extension system reminiscent of historical safety and specialty flex variations
Ink Recommendations
Standard fountain pen safe washable inks
Care Recommendations
Handle with extreme care due to delicate mechanical nib components; professional restoration recommended
Interesting Facts
Features a unique complex mechanical mechanism under the nib designed to alter flexibility or extension
Overall Assessment
A fascinating vintage mechanical specialty pen that appeals heavily to vintage pen collectors interested in unusual nib mechanisms.