Once a simple way to send messages, postcards have evolved into collectible objects. What makes them worth collecting?

“The Postcard,” a novel by the French author Anne Berest, opens on a snowy morning in a Parisian suburb: “My mother lit her first lung-charring cigarette of the morning, the one she enjoyed most, and ...

One month into the fourth annual Postcard Project, we have received 66 postcards representing 24 states and 11 countries. Ten of those postcards came from within the borders of Louisiana, including ...