It's called "GOLDEN SOPHY" This is a great collaboration between AGA Campolin and Dmitry Chertov.It is an awesome coil spring automatic switchblade made by a knifemaker from Zlatoust, Russia for A.G.A. Campolin who made the design. Gold plated with real gold fineness 999 coating electroplating. Steel 40Х10С2М. Elegant luxury wood box, with velvet inside, sheath and certificate. This knife is impressive. Excellent quality and finishing. Only 20 pieces were made of this beauty. Don't miss this very unique stiletto. Overall Length: 22.0cm - 8.66" Blade length: 9.0 cm - 3.54" Blade thickness: 2.5mm - 0.1" Weight: 224 g - 7.9 oz. Blade Material: Stainless steel Steel 40Х10С2М Hardness: HRC 60 Handle Material: Gold plated Made in: Russia