A few paper bills of different denominations impregnate with a solution of natural alum. After chemical treatment such money to burn will not.
Ask any of these credit cards to mark with a pencil. Then give him a blank envelope and a match. May he himself will put the money in an envelope, stick with it and himself soggetto should burn to the end. If the envelope is sealed tightly, it will burn, but will not fall apart and slightly razdulis will be something to remind the pillow. Contact with burnt envelope to be very careful that it does not crumbled ahead of time. It remains only to cover the envelope by hand and get money from scattered ashes. They will be whole and intact.