Esterbrook
J Series (Double-Jeweled)
Fountain Pen
Filling System
Lever Filler
Condition
Good condition with minor signs of wear, surface micro-scratches, and intact celluloid color
Estimated Value
$40 - $90 USD
Era
Vintage 1950s
Pen Specifications
Pen Type
Fountain Pen
Filling System
Lever Filler
Body Material
Celluloid (Liquid Pearl / Pastel Green)
Trim Material
Chrome-Plated
Color / Pattern
Pastel Green / Liquid Pearl
Cap Type
Screw Cap
Clip Design
Clamshell style with embossed 'Esterbrook' text
Barrel Shape
Tapered Cigar-Shaped
Nib Details
Nib Material
Steel
Nib Size
Medium
Nib Type
Interchangeable Screw-in Unit (Firm)
Nib Condition
Good, clean Esterbrook Renew-Point steel nib unit
Dimensions
Size / Dimensions
Approximately 5 inches capped, 4.75 inches uncapped, 5.75 inches posted
Weight Estimate
Medium lightweight, highly balanced
Heritage & Origin
Era / Period
Vintage 1950s
Country of Origin
USA
Rarity
Common
Condition & Value
Overall Condition
Good condition with minor signs of wear, surface micro-scratches, and intact celluloid color
Filling System Condition
Requires internal sac replacement for full functionality
Estimated Value
$40 - $90 USD
Special Features
Interchangeable nib system allowing users to swap different nib types easily
Ink Recommendations
Standard dye-based fountain pen inks such as Waterman Serenity Blue or Parker Quink
Care Recommendations
Clean thoroughly with cool water, avoid harsh solvents, replace the rubber ink sac professionally
Interesting Facts
Esterbrook was once the largest pen nib manufacturer in the world before transitioning to fountain pens with interchangeable nibs in the 1930s to 1950s.
Overall Assessment
A classic, highly reliable vintage American workhorse pen from the mid-20th century with a vibrant and collectable pastel green celluloid finish.