But a decision in 1902 to allow messages to run on the back ushered in a golden era of postcard art and correspondence.

ECONOMIST: The surprising survival of the picture postcard

Earlier this month saw the inauguration of the Rio Art Museum, which is dedicated to art celebrating Rio's picture-postcard cityscapes.

NPR: Museum To Showcase Contemporary Latin American Art

Rudolph Schulhof made his fortune by launching a company based on a family postcard business that evolved into a fine-art reproduction company.

WSJ: House Painter Is Accused in Long Island Art Theft