Pre-Columbian greenstone mask (RG50) has been authenticated by Stoetzer, Inc. of Miami.(PLEASE SEARCH FOR STOETZER INC,YOU WILL FIND THIS COMPANY IS VERY PRESTIGIOUS,HELPING MUSEUM,PRIVATE COLLECTORS,FOUNDATIONS,EVEN THE BIGGEST AUCTION COMPANIES LIKE SOTHEBY’S & CHRISTIE’S,THE MEXICAN PAVILION AT DISNEY EPCOT ETC). As is frequently found with ancient stone relics in an effort to restore them to their…