Esterbrook
J Series (LJ or SJ depending on exact length)
Fountain Pen

Filling System
Lever Filler
Condition
Good vintage condition with minor wear and brassing
Estimated Value
$40 - $80
Era
Vintage 1950s
Pen Specifications
Pen Type
Fountain Pen
Filling System
Lever Filler
Body Material
Plastic / Celluloid
Trim Material
Chrome-Plated
Color / Pattern
Sage Green
Cap Type
Screw Cap
Clip Design
Classic Esterbrook blade clip with embossed branding
Barrel Shape
Cigar-Shaped / Tapered
Nib Details
Nib Material
Steel
Nib Size
Fine (Renew-Point screw-in unit)
Nib Type
Standard
Nib Condition
Appears clean with intact tipping
Dimensions
Size / Dimensions
Approximately 5 inches capped
Weight Estimate
Lightweight, around 15-20 grams
Heritage & Origin
Era / Period
Vintage 1950s
Country of Origin
USA
Rarity
Common
Condition & Value
Overall Condition
Good vintage condition with minor wear and brassing
Filling System Condition
Likely requires a new ink sac due to age
Estimated Value
$40 - $80
Special Features
Interchangeable screw-in nib unit (Renew-Point system)
Ink Recommendations
Standard modern fountain pen inks, avoid permanent or heavily pigmented inks if sac is not replaced with silicone
Care Recommendations
Flush with water, replace the rubber ink sac for full functionality
Interesting Facts
Esterbrook was famous for its interchangeable nibs, allowing users to swap nibs easily for different writing styles
Overall Assessment
A classic, highly reliable vintage workhorse pen from the mid-20th century that is easy to restore and collect