Smithsonian postcard history link added

A new link, Picture Postcards, has been added to the Stamp Collecting Round-up's growing list of sites worth visiting. Clicking on the link (which is over on the right hand side of the screen) will take you to The Smithsonian Institution's Post Card History Web page.

The site covers...

• Private Mailing Cards Period, 1898 - 1901
• Post Card Period, 1901-1907
• Divided Back Period, 1907-1914
• White Border Period, 1915-1930
• Linen Period, 1930-1944
• Modern Photochrome-style Period, 1939 - to date

Check it out.