GTC Gustavo Tome Cecchini F-Supersonic model Folding Knife with damascus blade and titanium handle Unique custom made piece! No other like this! The item “GTC F-Supersonic Damascus Folding Knife” is in sale since Sunday, April 29, 2018. This item is in the category “Collectibles\Knives, Swords & Blades\Collectible Fixed Blade Knives\Modern Fixed Blade\Factory Manufactured”. The seller is “colecionador-incuravel” and is located in Santiago. This item can be shipped worldwide.