Vintage Krusius Brothers “KB Ultra” Multi-Blade Pocket Knife – Solingen Craftsmanship, Early 20th Century

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Description:

A beautiful example of early 20th-century German cutlery, this vintage pocket knife was crafted by Krusius Brothers of Solingen, Germany, and bears the rare “KB Ultra” tang stamp—marking it as part of the company’s premium line. Featuring mother-of-pearl style handle scales and multiple tools including a corkscrew, this was likely marketed as a gentleman’s utility knife.

✦ Historical Significance:
Krusius Brothers was a respected blade manufacturer based in Solingen, Germany—a city renowned for its centuries-old tradition of knife and razor making. In the early 1900s, the company expanded internationally by opening a branch office in New York City, helping to distribute their finely crafted tools and razors to the booming American market. The KB Ultra marking was used across their best-grade pocket knives and shaving razors from approximately 1910 to the 1930s.

This knife represents not only excellent craftsmanship but also a unique era of transatlantic trade and design, when European blades were tailored for the discerning American gentleman.

✦ Features:
Multi-blade folding design including main blade, corkscrew, and auxiliary tools

Handsome mother-of-pearl style handles

Marked “KB Ultra” and “Krusius Brothers” on tang

Approximate age: c. 1910–1935

Made in Solingen, Germany, distributed via New York office

✦ Condition:
Blades have good patina and signs of age-appropriate wear. Snap is functional. No major pitting observed. Please refer to photos for condition details.

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.

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.