Hello, depending on where you got that Cash item determines whether or not you can place it in the Cash Shop storage.
If you purchased this item from the Cash Shop, you should be able to store it.
Hello, if I remember correctly, you can go back to the Crimsonwood area where an NPC teleported you. But you would have to walk back manually.
I do not know if this was the answer you were looking for, but hope it helps. The map is called Shadow V…
