Patina, derived from the Latin word “patina,” refers to the thin layer that forms on the surface of metals due to oxidation or exposure to various elements over time. This natural process results in a unique coloration and texture, enhancing the aesthetic appeal of metal surfaces. Metal finishing, including patination, plays a crucial role in protecting metals from corrosion, extending their lifespan, and elevating their visual appeal.The practice of metal patination dates back centuries, with ancient civilizations such as the Egyptians and Greeks utilizing techniques to create decorative metal surfaces. Over time, artisans and craftsmen developed intricate methods of applying patina, leading to the evolution of diverse styles and finishes.