The skins arrived from the factory with the mineralized water marks seen in this photo. They wouldn't come off with soap and water so I ended up using Acetone to remove them prior to priming.

Camera Maker:Canon
Camera Model:Canon EOS 40D
Original Time Taken:2009:05:23 18:20:34
Shutter Speed:1/60 sec
ISO Sensitivity:640
Exposure Compensation:0 EV
Metering Mode:Partial
Flash Fired:No Flash
Focal Length:17 mm