There is also a postcard-sized card to print and fold in half, with plenty of space inside for you to share a Valentine's Day joke. Xerox has a wide selection of free printable Valentine cards ...

While Hallmark did not invent the occasion, it played a big part in bolstering its popularity by selling Valentine's Day postcards in 1910, and then printing its own greeting cards from 1916. Now in ...

Although Valentine's Day is quickly approaching, Strange welcomes more postcards. 17 U.S. states have yet to send a postcard, and Strange welcomes any additional love that will help her students ...

This Valentine’s Day, three neuroscientists explain why ... the Library of Virginia has a collection of a few hundred postcards and greeting cards dating back to the early 20th century.

And while Hallmark did not invent the occasion, it played a big part in bolstering its popularity by selling Valentine’s Day postcards in 1910, and then printing its own greetings cards from 1916.