UP FOR SALE: Vintage 1950s Knox Oil promotional glasses featuring the ?Famous Oklahoma Indians? series. Set of 4 frosted glass tumblers, each decorated with colorful portraits and names of historic Oklahoma tribal leaders. These advertising premiums were originally issued by Knox Oil stations and are now highly collectible regional memorabilia. Great display pieces for mid-century advertising collectors or vintage glassware enthusiasts. AS IS AS SHOWN ? Please check out all the pics and zoom in for the best look. Photos tell the story better than I ever could! Thanks so much for looking! Vintage and secondhand goodies usually have some character (aka flaws). I do my best to describe everything honestly, but I?m no expert. What you see is what you get. All my stuff comes from a smoke-free home and gets a good cleaning before it heads out. I ship Monday through Saturday fast and packed with care! Colors might look a little different depending on your screen and lighting. Props are just for show -- only the item(s) listed in the title are included. Got a problem? Message me first! I'm easy to work with and want you to be happy! Poke around my store if you want, I am happy to bundle shipping! Visit my Store for more great finds!