Vintage Case XX Peanut Knife – Jigged Bone Handles – Pattern 6220 (1940–1964 Era)

This vintage Case XX Peanut knife is a finely preserved example from the golden mid-century era of American cutlery. Produced between 1940 and 1964, it carries the sought-after CASE XX tang stamp on the master blade and “6220” on the reverse, marking it as the timeless peanut pattern—a favorite among collectors and everyday users alike.

The knife features two blades—a clip point and a pen blade—both exhibiting excellent function with tight action and strong snap. The rich jigged bone handles are beautifully aged and showcase the craftsmanship that makes Case XX knives iconic. Condition is exceptional for its age, with only very minor spotting on the blades and leaf spring, a rarity for an 80-year-old knife.

At just 2 7/8" closed, the Peanut is compact yet practical, a traditional pocket companion that remains one of Case’s most beloved patterns.

Specifications

Maker: W.R. Case & Sons Cutlery Co. – USA

Tang Stamp: CASE XX (1940–1964 era)

Pattern Number: 6220

Blades: Clip point, pen blade

Handle Material: Jigged bone with oval Case shield

Bolsters: Nickel silver

Closed Length: 2 7/8"

Condition: Excellent to near mint – tight blades, excellent function, with only minimal age spotting. This knife ships wrapped in acid-free archival tissue to help preserve both the blade and handle during transit and storage.

Historical Note
The Case Peanut pattern has been a staple of American pocketknives since the early 20th century, prized for its handy size and versatility. During the mid-century era (1940–64), Case XX knives were known for their meticulous hand-finishing and high-carbon steel quality, making them a cornerstone of serious knife collections today.

Collector’s Note
Knives from the 1940–64 Case XX era are among the most collectible in the brand’s long history. With its beautiful jigged bone handles and superb preservation, this Peanut is an outstanding addition for Case enthusiasts or anyone seeking a classic American pocketknife with heritage and charm.

Disclaimer
All knives in this shop are vintage or pre-owned unless stated otherwise. While many are in excellent condition, they may show normal signs of age or handling such as scuffs, blemishes, or blade wear. I try to document condition as accurately as possible in both the description and photos. Feel free to reach out with any questions!

By purchasing this knife, you are confirming that you are 18 years of age or older and are complying with all applicable laws and regulations regarding knife ownership in your area.