The image shows four different types of knives displayed on a blue sign with Chinese characters. The knives are arranged in a horizontal line, with the first knife on the top left, the second knife in the middle, and the third knife at the bottom right. All the knives appear to be old and weathered, with some of the blades having a rough texture and some having a slightly rough surface. The background is white, and there is a blue border around the edges of the sign.