Cardboard sleeve reissue box set from Led Zeppelin featuring all ten albums of the "Led Zeppelin 40th Anniversary SHM-CD Cardboard Sleeve Reissue Series" in the high-fidelity SHM-CD format (fully compatible with standard CD players), advanced cardboard sleeve replicas of the original UK E-style album jackets, plus six bonus cardboard sleeves including five alternate jackets for "In Through The Out Door" and one alternate jacket for "Led Zepplin I" utilizing the original ink.