Esterbrook
J Series (Likely SJ, LJ, or Standard J)
Fountain Pen
Filling System
Lever Filler
Condition
Very Good vintage condition with minor surface wear typical of age
Estimated Value
$40 - $90 depending on exact model and nib rarity
Era
Vintage 1940s-1950s
Pen Specifications
Pen Type
Fountain Pen
Filling System
Lever Filler
Body Material
Celluloid / Thermoplastic
Trim Material
Chrome-Plated or Nickel-Plated
Color / Pattern
Black
Cap Type
Screw Cap
Clip Design
Classic Esterbrook clip featuring the embossed script brand logo on the top button
Barrel Shape
Tapered Cigar-Shaped
Nib Details
Nib Material
Steel
Nib Size
Medium (typical for Esterbrook screw-in units)
Nib Type
Standard (Esterbrook interchangeable Renew-Point system)
Nib Condition
Good vintage condition, requires inspection of tipping and feed alignment
Dimensions
Size / Dimensions
Approximately 128 mm capped, 118 mm uncapped, 145 mm posted
Weight Estimate
Approx. 15g, lightweight and well-balanced
Heritage & Origin
Era / Period
Vintage 1940s-1950s
Country of Origin
USA
Rarity
Common
Condition & Value
Overall Condition
Very Good vintage condition with minor surface wear typical of age
Filling System Condition
Untested; requires a new rubber ink sac for full restoration
Estimated Value
$40 - $90 depending on exact model and nib rarity
Special Features
Interchangeable 'Renew-Point' nib unit system allowing users to easily unscrew and swap out different nib sizes and grinds
Ink Recommendations
Standard modern fountain pen ink such as Waterman Serenity Blue or Parker Quink
Care Recommendations
Flush thoroughly with cool water during sac replacement; avoid harsh solvents on the celluloid body
Interesting Facts
Esterbrook was once the largest pen nib manufacturer in the world before pivoting to reliable everyday fountain pens with interchangeable nib units.
Overall Assessment
An iconic, highly reliable vintage American workhorse fountain pen that is exceptionally user-friendly for collectors and beginners alike once restored.