This is a Cheese knife by up and coming designer Nik Bentel. It's a cheeky play on social standing and capitalism.Very limited number were made and sold out very quickly. Show off to your friends with your new Amex Black.The knife has never been used. I only opened the box to inspect and take photos.From his Website: Blade is the Exact dimensions of average credit card.Comes with presentation box.Blade is forged from blade steel.Sharpened.Handle made in wood and oil finished.Both blade and handle have a non-reflective black finish.Dishwasher safe.