A treasure map found in Silas Tanner's mining equipment. Upon finding it, ALF exclaims, "Yes! We're going to be stupid!"
On Melmac, "stupid" is a slang term for a rich person.
On Melmac, substances such as foam and lint are extremely valuable, whereas gold and platinum are of very little value and are often used in plumbing fixtures.
When the Tanners find a treasure map among Silas Tanner's possessions, ALF exclaims, "Gadzooks! We're going to be stupid!"