Sealed Chest items are unique and duplicates cannot be looted.

What to do if you don't receive the item from your crafting order after the order is complete.

What to do if you are missing grey or white quality item to add to your wardrobe

It is not possible to restore deleted or dropped items in Diablo II: Resurrected

Deleted one of the items used to craft the Wicker Pup.

How to restore deleted or destroyed quest items in WoW

What to do if you no longer have the original faceless mask quest starter item and cannot turn in the associated quest

How to restore/re-purchase legendary items if they are missing/destroyed/sold.

What to do if you sold or deleted a quest reward and want to restore it

Mistakenly used a consumable item, such as bandages or potions, when listing the item for sale on the Auction House