From Fallen London Wiki (Staging)
Nope. If you choose "You will change currency" in the pillared sea, you get a t6 item for 25 coins, which works out to 2.5 echoes.
Nope. If you choose "You will change currency" in the pillared sea, you get a t6 item for 25 coins, which works out to 2.5 echoes.