You can use Item Restoration to recover sold, destroyed, or disenchanted items.
Character, Item, and Compromise restoration details.
Information on restorations for Diablo III.
You can use the undelete feature to restore a deleted World of Warcraft® character once every 15 days.
What keeps an item from showing in the transmog wardrobe
Sealed Chest items are unique and duplicates cannot be looted by players.
Information on how to restore your Diablo III character
Information on Retrieving Item Information message.
Weekly PvP Chest contained items with item levels too low.
Troubleshooting steps for resolving Diablo II characters not keeping their experience or items after playing.