DALLAS – Go ahead – pull back the curtain. When you do, pay plenty of attention to the history waiting behind it. In Heritage Auctions’ Dec. 17 Hollywood & Entertainment Signature® Auction, cinephiles and collectors will find hundreds of costumes, vehicles and props from some of the most momentous and treasured films of all time – even a Holy Grail. Absentee and Internet live bidding will be available through LiveAuctioneers.