This brass seal stamp has dimensions of 4x3x3.5 centimeters, small and easy to grip. The shape is square, with a stable overall layout and a multi-layered design at the top, creating a sense of depth. The surface decoration is delicate, featuring traditional seal script engraving with deep and antique-looking characters, showcasing cultural heritage. The copper material has oxidized over the years, forming a natural patina, with a warm and elegant green-yellow color tone. The texture is thick and durable, making it a typical blend of practicality and artistry, with high collectible value.