This is a natural coral tie tack. The gentle color makes it suitable for various occasions. There are no hallmarks indicating precious metals. *This was a gift from my grandfather, and the details are unknown. Size: Please check the images. Weight: Approximately 3.1g *Measurements are approximate. Please allow for some error. *Color may vary depending on your monitor environment. I try my best to represent the color accurately, but it is not perfect. Please understand this before purchasing. *This is a used item, as judged from the images. I try to describe the item honestly, but there may be unforeseen oversights. Please inquire beforehand if you have any questions. T11334 C #natural #coral #sango #tie tack #tie pin #necktie #suit