something i do for the last 10 years i write me email address on the white margin that is around money. also some witty thing political or poetry. how many know it alls out there tell me im defacing money and its a federal crime. before someone shoots off there mouth talking about something they only think is illegal they should look up the defination of defacing money. article 18 section 333 in the us code. defacing money is a serious crime whiting in the white margin is nothing.