Item description:

Mash X to get through the text dialougue

Go through all options when at the computer with Baxter's card

Select Lot #1, Lot #2, Lot #3

On Lot #3 there are four "hotspots" on the chest, so look at the
third from the left (2nd from the right) LAST, as it takes you
to the 4th hotspot, where you'll find the judgement coin