This group of THREE hand made NEW Andy Davis hexagon glass frogs, or marble stands were made by the legendary glass artist Andy Davis. The stands measure 1-7/8″ OD and are plus or minus 3/4″ thick. It will neatly display marbles from 1″ OD to 1-3/4″ OD. These stands were made by Davis Studio Art Glass Co. of Ohio. Andy made these bases over the years for the Sistersville, WV marble show. If you count the dots on the base, that will determine the year they were made. None of the stands are the same. A unique gift for the larger marble collector on your holiday shopping list. USPS shipping.