Spero obeyed, but found nothing.
Monte-Cristo laughed.
"You are still young," he said. "Your eyes must first be taught how to see. There is a scratch on the lock which must have been made by a dagger."
"But, father, who could have tried to open the lock with a dagger?"
"A man, whose name I will tell you later on. With great skill he put the dagger in the lock and opened it. The cleverest locksmith could not have done better. Look!"
Monte-Cristo shoved the point of his own sword in the lock, and opened it easily.
"Really it is so," said Spero.
"And now let us look at the safe, which, I presume, was opened in the same way."
Spero looked carefully at the lock, and then said: