Call e-bay directly. They really frown on this kind of stuff and may require him to live it to the agreement. A friend just called the directly about a fraud matter and they were all over it. Keep a record of everything including the final bid and all correspondence.

__________________
"What you hear in a great jazz band is the sound of democracy. “The jazz band works best when participation is shaped by intelligent communication.”
Harmony happens whenever different parts get to form a whole by means of congruity, concord, symetry, consistency, conformity, correspondence, agreement, accord, unity, consonance…….