U.S. Department of the Treasury, Bureau of Engraving and Printing, Washington, D.C. Souvenir Card. B237. Celebrating the turn of the Century, Philadelphia National Stamp Exhibition, October 1999, Philadelphia, Pennsylvania.   "The four proprietary stamps (reproduced) on this souvenir card are: 1 1/4 Cent Dr. William's Pink Pills... 1 1/4 Cent Fletcher's Castoria .... 5/8 Cent Bromo-Seltzer... 1/8 Cent J. Ellwood Lee... "  Card is mint and measures 10" x 8".