Imitation gold coat is a term used to describe an item made of ormolu, which is an alloy of copper, zinc, and sometimes tin. Ormolu is often used to make decorative objects such as furniture, clocks, and jewelry. It is also used to create a gold-like finish on items such as picture frames and mirrors. The term imitation gold coat is used to describe the process of applying a thin layer of ormolu to an object in order to give it a gold-like appearance.