Do a search for "retro bar stool" or "diner bar stool" and you will find many sources. I like them too.

"Diner Bar Stool" search on Google

DH told me that you can load an image into Google and do a reverse search. He did this with a t-shirt logo. But I haven't done it personally.

This took all of 30 seconds with Google. Just type in 50s bar stools chrome ... then click images ... and when the image you want pops up, go into that page:

http://www.affordableseating.net

Here's the same thing without a back, from Amazon:

Here it is in a three-piece set, though for that price I question the quality:

Or maybe with a racing stripe from http://www.nhcpi.org/astonishing-kitchen-bar-furniture-with-sophisticated-retro-bar-stools-idea/?

Nice mrspete!

Thanks everyone!