S.T. Dupont

Defi

Ballpoint

S.T. Dupont Defi

Filling System

Cartridge/Refill

Condition

Excellent condition with minimal signs of use

Estimated Value

$250 - $400 USD

Era

Modern Production

Pen Specifications

Pen Type

Ballpoint

Filling System

Cartridge/Refill

Body Material

Composite material with carbon fiber weave and metal

Trim Material

Palladium-Plated

Color / Pattern

Black carbon fiber pattern with silver-tone metal

Cap Type

N/A

Clip Design

Spring-loaded aerodynamic clip designed to resemble a fighter jet

Barrel Shape

Tapered, ergonomic shape

Nib Details

Nib Material

N/A

Nib Size

N/A

Nib Type

N/A

Nib Condition

N/A

Dimensions

Size / Dimensions

Approximately 140 mm long

Weight Estimate

Medium to heavy, well-balanced

Heritage & Origin

Era / Period

Modern Production

Country of Origin

France

Rarity

Uncommon

Condition & Value

Overall Condition

Excellent condition with minimal signs of use

Filling System Condition

Fully functional with standard S.T. Dupont ballpoint refill

Estimated Value

$250 - $400 USD

Special Features

Aerodynamic design inspired by fighter jets with intricate carbon fiber weave pattern

Ink Recommendations

S.T. Dupont Ballpoint Refill

Care Recommendations

Wipe with a soft, lint-free cloth; avoid abrasive cleaners

Interesting Facts

The S.T. Dupont Defi line draws inspiration from aviation, specifically utilizing a metal skeleton frame reminiscent of fighter jets.

Overall Assessment

A high-end luxury writing instrument combining modern engineering materials with classic French craftsmanship.

Identified on July 30, 2026