I've noticed that they're apparently in high demand, but I've heard little else about them.

[He swishes his drink around a little and takes a swig.]

But they must be something more than just pretty coins.

[Here, Tomoki pulls out what appears to be a cell medal. He had to jump through a few hoops to get his hands on it, but he figures the payoff will be worth it.]

What do you think I could get for this?