From Fallen London Wiki (Staging)
"There are two other versions of this item with the same stats. You can trade them, like-for-like, with specific NPCs in 'The Fruit Market', or break open another piece of coral."
looks like you can trade them
"There are two other versions of this item with the same stats. You can trade them, like-for-like, with specific NPCs in 'The Fruit Market', or break open another piece of coral."
looks like you can trade them