Masks depicting presidential candidates, Josefina Vazquez Mota, for the National Action Party (PAN), Enrique Pena Nieto, for the opposition Institutional Revolutionary Party, (PRI), Andres Manuel Lopez Obrador, for the Democratic Revolution Party (PRD) and former Mexico's Presidents Carlos Salina de Gortari and Vicente Fox, are displayed for sale among masks depicting some fictional characters in Mexico City, Thursday, June 28, 2012. Mexico will hold its presidential election on July 1. (AP Photo/Esteban Felix)`