William Henry Knife Limited Edition T12 Onyx #15 Of 100. The item "William Henry Knife Limited Edition T12 Onyx #15 Of 100" is in sale since Tuesday, May 26, 2020. This item is in the category "Collectibles\Knives, Swords & Blades\Collectible Folding Knives\Modern Folding Knives\Custom & Handmade". The seller is "christylynn1006" and is located in Amarillo, Texas. This item can be shipped to United States.