You can always find unique treasures on shopgoodwill.com, Goodwill's online auction site. But this week, Pyrex collectors everywhere watched in anticipation as one of the most coveted pieces of Pyrex went up for auction. "Lucky in Love" is an extremely rare round covered casserole dish that was a 1959 promotional piece. Most collectors had only seen it in a book and thought they would never see one in real life. Some collectors doubted it even existed!