I believe this photo is merely a printing service offering business card examples. But it would be pretty cool and inviting if this entire photo was turned into a postcard… with the store or service owner holding his business card (which includes all his vital information).
![postcard of owner holding business card](https://www.thebigad.com/wp-content/uploads/2016/11/postcard-of-owner-holding-business-card.jpg)
Postcard of Owner Displaying Business Card
Source:http://www.printaholic.com/12-cool-business-cards/