Rare Case Trapperlock Damascus Folding Pocket Knife. The item “Rare Case Trapperlock Damascus Folding Pocket Knife” is in sale since Friday, November 15, 2019. This item is in the category “Collectibles\Knives, Swords & Blades\Collectible Folding Knives\Modern Folding Knives\Factory Manufactured”. The seller is “jpforten12″ and is located in Hattiesburg, Mississippi. This item can be shipped to United States.