Esterbrook
J Series (specifically Dollar Pen or SJ/LJ/J family, shown here is likely an Esterbrook J in green marble on the far right, but focusing on the central prominent ones or collection overall)
Fountain Pen
Filling System
Lever Filler
Condition
Good to Very Good vintage condition with expected micro-scratches and brassing on trim
Estimated Value
$40 - $100 depending on specific model and condition
Era
Vintage 1940s-1950s
Pen Specifications
Pen Type
Fountain Pen
Filling System
Lever Filler
Body Material
Celluloid / Plastic
Trim Material
Chrome-Plated or Nickel-Plated
Color / Pattern
Assorted Vintage Patterns (Green Pearl, Copper Stripe, Red, etc.)
Cap Type
Screw Cap
Clip Design
Classic vintage metal clip with ball end
Barrel Shape
Cigar-Shaped / Torpedo
Nib Details
Nib Material
Steel
Nib Size
Medium
Nib Type
Standard (Renew-Point screw-in nib unit)
Nib Condition
Appears intact, untwisted, with functional tipping
Dimensions
Size / Dimensions
Approximately 125mm capped
Weight Estimate
Lightweight, around 15-20 grams
Heritage & Origin
Era / Period
Vintage 1940s-1950s
Country of Origin
USA
Rarity
Common
Condition & Value
Overall Condition
Good to Very Good vintage condition with expected micro-scratches and brassing on trim
Filling System Condition
Requires new sac installation for full functionality due to age
Estimated Value
$40 - $100 depending on specific model and condition
Special Features
Interchangeable 3000/9000 series Renew-Point nib system allowing easy swapping of nib grades
Ink Recommendations
Standard dye-based fountain pen inks such as Waterman Serenity Blue or Parker Quink
Care Recommendations
Flush thoroughly with cool water, replace the latex ink sac periodically, avoid harsh alcohols
Interesting Facts
Esterbrook was once the largest nib manufacturer in the world before successfully transitioning to fountain pens with interchangeable nib units.
Overall Assessment
Classic vintage American workhorse fountain pens prized by collectors for their reliability and easily swappable nib system.