This is a new back cover for an A1136 or A1238 iPod Classic. These are custom engraved covers leftover from a project I was working on a few years ago.

They are all new, in perfect condition. Anything that looks like a blemish in the pictures is just the plastic protective film and/or a reflection. The ones that look blue, that is just a blue plastic film protecting a regular shiny silver back. 

The "thick" ones have the same size back cover as 60gb and 80gb 5th gens, also the 160gb 6th gen.
The "thin" ones are the same size as the back covers on a 30gb 5th gen, also the 80gb 6th gen, and 120gb and 160gb 7th gen.

The "black" ones are coated black. All of the other backs are regular shiny metal/silver color. The ones that look blue, that is just a blue plastic film protecting a regular shiny silver back. 


This is just the metal back cover, it does not include the headphone jack, hold switch, dock plastic, screws, or any other parts.