A spectator selects a card. The magician brings out a transparent plastic case showing the four of diamonds. But this isn't the selected card. The magician opens the case and the ace of diamonds appears. But this isn't the selection either. A thin transparent plate is shown freely and the case is closed with the plate inside. When the case is reopened, the spots have disappeared from the case and have magically "printed" onto the previously blank plate showing as the five of diamonds. This is the selected card! Very good condition.