This is a hammered copper surface with a weathered antique-looking finish. You can tell is copper because of the reddish acquired when submerged in cold water when the metal is red-hot. It has a hole in the upper part to hang it. Any 2" nail will be enough to hold it, either outdoors or indoors. This copper sun face is hand hammered and obtained from a single sheet of copper using ancient techniques inherited through the centuries to the skilled Mexican copper-smiths. This piece of art will highlight your outdoors/indoors walls landscape.