Esterbrook
J Series (Esterbrook J)
Fountain Pen
Filling System
Lever Filler
Condition
Good to Very Good vintage condition, minor surface wear consistent with age
Estimated Value
$30 - $75 depending on working condition and sac integrity
Era
Vintage 1940s-1950s
Pen Specifications
Pen Type
Fountain Pen
Filling System
Lever Filler
Body Material
Celluloid / Plastic
Trim Material
Chrome-Plated
Color / Pattern
Blue
Cap Type
Screw Cap
Clip Design
Classic Esterbrook curved metal clip with rounded top
Barrel Shape
Cigar-Shaped / Tapered Ends
Nib Details
Nib Material
Stainless Steel
Nib Size
Fine (Renew-Point 9461 or similar)
Nib Type
Firm / Interchangeable Slip-in Unit
Nib Condition
Nib appears intact with clear engraving 'Esterbrook', 'Made in USA', and nib number visible
Dimensions
Size / Dimensions
Approximately 5 inches capped, 4.75 inches uncapped, 5.75 inches posted
Weight Estimate
Lightweight, approximately 15-18 grams, well-balanced
Heritage & Origin
Era / Period
Vintage 1940s-1950s
Country of Origin
USA
Rarity
Common
Condition & Value
Overall Condition
Good to Very Good vintage condition, minor surface wear consistent with age
Filling System Condition
Requires inspection; typically utilizes a rubber ink sac operated by an internal lever that may need replacement
Estimated Value
$30 - $75 depending on working condition and sac integrity
Special Features
Interchangeable nib system allowing users to easily unscrew and swap different nib units
Ink Recommendations
Standard dye-based fountain pen inks such as Waterman Serenity Blue or Parker Quink
Care Recommendations
Flush thoroughly with cool water; avoid staining inks; replace the internal rubber ink sac if deteriorated
Interesting Facts
Esterbrook was once the largest nib manufacturer in the United States, famous for their inexpensive yet highly reliable school and office pens featuring screw-in interchangeable nib units.
Overall Assessment
A quintessential American vintage workhorse pen from the mid-20th century, highly valued by collectors for its durability and versatile interchangeable nib system.