The cb10spl_upd.zip file you have requested: Skins / Equipment / CS 1.0 Coal-Blue Skin Splash Screen Updater - 355.39kb is not available. Perhaps try browsing all files for the game Counter-Strike and upload any files you want to share or are missing. This is the only information we could locate:
This update adds some life to the dull gray background of the Coal-Blue skin. It adds a few player models to make it look better. This is NOT a major update, just a minor one, so this is the only change. Updates Coal-Blue Skin Splash Screen.