Very cool, never bent or folded Royal Flash Billboard matchcover from Joe Burnham's Sand Springs Bottling Co. Tulsa, Oklahoma with a great 1930s? Pepsi bottle and a 7 UP ad inside.  This was a sample given to a little girl in Kansas in the 1930s and she glued it into her collection book.  Her uncle was a salesman.  This cover has never been bent or creased so the image is just great.