Wrong Again Watson

Wrong Again Watson

From the mind of Martin Lewis comes this fantastic card effect.
This is sort of a She-lock Holmes plot.  Seven busts of Napoleon
are displayed.  On the front and back.  One, however, has a pearl
on the bck.  The magician asks the spectator to shuffle the busts
and divide the pearl is.  The busts on all but the pearled backed
card appear to be smashed.