vintage gold-filled pocket pen knife manufactured by the J. & C. N. Co. (J. & C. Nelson Company). These small knives were popular in the early 20th century, specifically during the Edwardian and Art Deco periods (circa 1900s–1920s), and were often worn as functional jewelry on a gentleman’s watch fob or chain    Key Details

• Manufacturer: J. & C. N. Co., a company known for producing high-quality "jewelry-style" pocket knives in the United States.
• Material: The handle is typically gold-filled or gold-plated, often featuring intricate chased or engraved designs like the oval cartouche seen in your image.
• Construction: These are usually "slipjoint" knives, meaning they do not have a locking mechanism but use a spring to hold the blade open or closed.
• Function: Designed as a "gent's dress knife," they were meant for light tasks like sharpening quill pens (hence "pen knife"), opening mail, or trimming cigars.
• Size: As shown by your ruler, the handle is approximately 2 1/4 inches long, a standard size for watch fob accessories

For Sale By: Ace jewelry & Antiques

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