So Poseidon’s wallet was kind of a bust for the deep-sea explorers who discovered it. No legitimate museum even considered displaying the spoils. Poseidon’s wallet was eventually taken back out to roughly the same spot where it was found, and returned to it’s origin. No word on whether Poseidon appreciated the gesture.
Also, two things: 3/9/1984 was the actual release date of Splash, and here is a Rumpus cartoon.