Popsugar Fashion Tiffany & Co. Facts About Tiffany & Co. 18 Fascinating Things You Never Knew About Tiffany & Co. January 10, 2016 by Aemilia Madden First Published: January 5, 2016 View On One Page Photo 9 of 18 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 Making History Tiffany redesigned the Great Seal of the United States during the 1880s, a design which is now on the back of the dollar bill. Previous Next Start Slideshow Tiffany & Co.Fashion NewsEvergreenEngagement RingsJewelry