Tantalus chest

Why is a Tantalus called a Tantalus?
Tantalus treasures: how to recognise quality antique tantaluses
The tantalus was so called after Tantalus, one of the sons of Zeus. The myth says that when invited to dine at the table of the Gods, Tantalus stole some ambrosia for his personal use. As punishment for this crime, Tantalus was forced to stand in a pool of water under a fruit tree