Oxidised Brass Metal Wall
It is a brass plate, but highly oxidised. It has rust, pores and tiny bumps everywhere. This metallic texture is a good candidate for worn metal walls.
 
Oxidized Copper Metal Texture
It is a worn copper metal plate having numerous brown and oxidized areas on the surface. It is an excellent texture for metallic doors and other home furniture.
Worn Yellow Brass Metal Texture
It is an old yellow brass metal plate having a lot of specks and rust on the surface. It can be a texture for metallic wall or home decor such as vases.
 
Hammered Copper Texture
Recently, hammered copper artworks become very hot in the world. Hammered products includes cups, plates, bowls etc.

To create this hammered pattern, complex 3D modelling is NOT required. This texture is designed to be directly used as a skin. Then the model will have this fashionable hammered effect.