Donnie Niswonger displays collection of wartime postcards in honor of WWI centennial Facebook Twitter Google+ Pinterest WhatsApp http://www.semissourian.com/story/2399949.html We have postcard supplies! Click here Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)