In 18 61, the us. Allowed postcards to be sent through the mail. Ten years later, they were like, hey, let's make some and sell our own pre stamped postcards. And then from there, in late 18 hundreds to early 19 hundreds, this was officially the golden age of postcards. What a time to be alive. They really started taking off. People were like,They're so cheap, they're so easy, i won't got hand cramps writing these long ass inky letters. Wagonswith photo equipment started traveling and printing pictures on to these mailable postcards. Now what we know to day, they're printed to the edges with