Card Size: 3.5" x 5.5"

Front information:
US Post Office St. Louis Missouri 18th & Market White Border Postcard

Back Information:
The New Post Office Building at 18th and Market, erected at a cost of $5,500,000 covers three entire city blocks with a total floor area of 618,000 square feet. The building stands three stories above and three below street level. It is connected with the Union Station dirctly opposite 18th; thus pro- viding quick handling of all mail.