They examined it and saw that it was fastened with seals stamped with their own managerial seal.

They opened it.

It contained twenty Bank of St.Farce notes like those which had so much astounded them the month before.
"How simple!" said Richard.
"How simple!" repeated Moncharmin.

And he continued with his eyes fixed upon Mme.

Giry, as though trying to hypnotize her.
"So it was the ghost who gave you this envelope and told you to substitute it for the one which we gave you?
And it was the ghost who told you to put the other into M.Richard's pocket ?" "Yes, it was the ghost." "Then would you mind giving us a specimen of your little talents?
Here is the envelope.