"I think we have got to pay a wonderful tribute to a man to whom we owe all of this, he is in Johannesburg and if we make a loud enough noise he will hear us and so we say, halala Nelson Mandela."
VOA: standard.2010.06.11
Still, Feldman claims his systems can follow currency down to pennies or a 5-halala coin from Saudi Arabia, and identify serial numbers and issue-places of money orders and traveler's checks.