The Orange of the Soul
This is a normal orange. One side is stamped with the letter "o". Probably best not to eat it. You don't know where the bandits could have gotten it from.
(No DA Required)
Location: A Trip to the Store
Sellback: 375 Gold
Item Type: Junk
When combined with each drop from A Trip to the Store, and listed in sellback order from largest to smallest, the letters in quotations spell out the hidden message "open your eyes".
Thanks to members of the DF Discord servers for spoiler information.