Mystery BoxContains an unknown item.

Sell Price
1x Scroll FragmentMiscellaneous
Item class: Microtransactions
Metadata ID: Metadata/Items/MicrotransactionCurrency/MysteryBox2x1
Consider helping out in updating the wiki for 3.12.0 - see Path of Exile Wiki:To-do list/3.12.0.
Game data exports will becoming later as the technical changes in addition to regular changes take some more time.
Mystery BoxContains an unknown item.
Sell Price
1x Scroll FragmentMiscellaneous
Item class: Microtransactions
Metadata ID: Metadata/Items/MicrotransactionCurrency/MysteryBox2x1