Many family crests are on sale here → #kamon1942el ● The back of the family crest concho is a screw type (brass minus screw). The design of the back screw may change. There is no problem with use. It has plenty of thickness and a sense of weight and presence. Made by us. Not available anywhere else. Some photos look dirty due to shooting against the light, but they are more beautiful than the photos, so please rest assured. Some have a reddish tint due to the oxidation, but the actual color is black. We will polish them again before shipping. Made of brass. ● Small...22mm, small concho The stock has decreased considerably, but there are many other items that we have forgotten to list or haven't photographed. Please inquire.