It is a beautiful example of wrought iron wall decorations handcrafted in Texas style. An iron frame with some ornaments including Texas star were first hand forged and then made it rusted. Most likely, this wall iron decor creator used acid and water to accelerate oxidation process making it quite rustic. Usually, iron after the treatment is left for some time in sun and afterwords varnished. It is the way we make forged iron decorations in Mexico. On the other hand both metal pieces might be old art that aged in time without any human interference.