Some of the most memorable moments on PBS's long-running Antiques Roadshow happen when a guest learns their dusty attic find is worth a small fortune. They cry. You cry. It’s pure magic. Equally great are the moments when an appraiser catches a glimpse of something out of the corner of their eye and instantly knows: “This is going to be special.” A Tupperware Container Holding Christmas Magic That’s exactly what happened in 2005 when appraiser Simeon Lipman was at the table during an Antiques Roadshow taping in Providence, Rhode Island. A man walked up carrying—of all things—a Tupperware container. Inside?...