With the expected introduction of Apple's iPhone 5S now less than a month away, French site Nowhereelse.fr has shared some new photos [Google translation] of an alleged iPhone 5S rear shell. While the part has been seen a number of times in the past, the site has put together some overlays and iPhone 5 comparison photos to help provide an overview of some of the changes expected for the device. One example shows an overlay of the iPhone 5S