Antique Pre Prohibition O!So Good Rieger's Whiskey Kansas Shot Glass

An old pre-prohibition Rieger's Whiskey advertising shot glass.
Says: O!SO GOOD (Maker's mark) Rieger's Whiskey J.Rieger&Co. Kansas City, Mo
The Kan is worn off (almost) The gold rimmed around top edge is worn off (almost all) There are a few tiny scratches on the glass and smudge or water stains. Still a nice old shot glass.
Please email me if you have any questions.