Esterbrook

J Series (LJ or SJ depending on exact length)

Fountain Pen

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

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

Identified on August 10, 2026
Esterbrook J Series (LJ or SJ depending on exact length) | Fountain Pen Identifier