Practically all 1 cent CSGO skins are of Consumer Grade, which are the most common and plain items.
There are two ways of obtaining CSGO skins for 1 cent.
You can rarely find someone using it, thus it is one of the unwanted 1 cent CSGO skins. Well, with the exception of the muzzle and the muzzle sight which is metallic gold. The body is covered with a camouflage foil stamp, the magazine and scope are just olive green and the rest of the gun is dark grey. One of the weirdest skins there are, with a very unsettling coloring and design.