Esterbrook

J Series (Double Jewel)

Fountain Pen

Esterbrook J Series (Double Jewel)

Filling System

Lever Filler

Condition

Very Good

Estimated Value

40 to 80 USD

Era

Vintage 1950s

Pen Specifications

Pen Type

Fountain Pen

Filling System

Lever Filler

Body Material

Celluloid

Trim Material

Chrome-Plated

Color / Pattern

Copper / Red Pearl

Cap Type

Screw Cap

Clip Design

Chased clip with Esterbrook lettering

Barrel Shape

Cigar-Shaped

Nib Details

Nib Material

Steel

Nib Size

Medium

Nib Type

Standard

Nib Condition

Likely good, inspect for tipping and alignment

Dimensions

Size / Dimensions

Approximately 5 inches capped

Weight Estimate

Lightweight

Heritage & Origin

Era / Period

Vintage 1950s

Country of Origin

USA

Rarity

Common

Condition & Value

Overall Condition

Very Good

Filling System Condition

Requires new sac replacement

Estimated Value

40 to 80 USD

Special Features

Interchangeable screw-in nib unit system (Renew-Point)

Ink Recommendations

Standard dye-based fountain pen inks

Care Recommendations

Flush with water, replace rubber ink sac as needed

Interesting Facts

Esterbrook was famous for its affordable yet reliable pens and massive variety of interchangeable nibs

Overall Assessment

A classic, highly dependable vintage American workhorse pen ideal for daily writing

Identified on September 16, 2026