Plenty of money mistakes can be made while traveling, but snapping up a cheap and pretty postcard isn't usually one of them. But years (and decades) later as people sift through boxes of old ...

A postcard showing the Hotel Del Prado, 4203 Euclid Avenue, Cleveland, OH is shown. The postmark is stamped Akron, Ohio, with a date of Oct 6, 1913. It's addressed to ...