Description
The case mastodon fossil prototype knife is one of the most collectible and historic Case Classics ever made. This ultra rare 1996 Case XX Prototype Physicians Knife showcases genuine 20,000-year-old Interior Mastodon fossil ivory, mined from the permafrost of Siberia, Russia. Each handle is a slice of prehistory, displaying rich natural grain and texture that make every piece one of a kind.
The stainless steel dual blades are finely polished, with the main blade etched “Physicians Knife” on the front and clearly marked “Prototype” on the reverse, confirming its authenticity. The tangs are stamped W.R. Case & Sons / Bradford PA 1996 USA, denoting its American heritage and limited production year.
This 3 7/8” closed prototype features a Raised Bomb shield, nickel silver bolsters, and mirror-polished hardware — all hand-assembled by Case’s master craftsmen. It comes in its original blue and white Case Classic box, complete with historical packaging, making it an extraordinary collector’s item for any serious Case enthusiast.
Case Prototype knives were handmade to showcase potential handle materials and design concepts to distributors and retailers. Each piece represents the finest artistry in American knife making, combining innovation, history, and heritage into a tangible piece of Case legacy.
Whether displayed or preserved, the case mastodon fossil prototype knife stands as a museum-worthy testament to craftsmanship and natural beauty.
Specs
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Brand: W.R. Case & Sons
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Model: 1996 Case Classic Prototype
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Item Type: Physicians Knife / Doctor’s Knife
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Handle Material: 20,000-year-old Mastodon Fossil Ivory
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Blade Steel: Stainless Steel
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Blade Etch: “Physicians Knife” (front), “Prototype” (reverse)
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Shield: Raised Bomb
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Length (Closed): 3 7/8”
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Tang Stamp: W.R. Case & Sons / Bradford PA 1996 USA
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Packaging: Blue and White Case Classic Box
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Origin: Bradford, Pennsylvania, USA
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Condition: Brand new, never used, carried, or sharpened









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