Hand blown 16 ounce Ergo drinking glass in Amethyst by glass artisan Dave Strock. With a subtle indentation on the side for your thumb, this glass is very comfortable to hold your favorite beverage. Artisan signature etched on the bottom of the glass. Excellent preowned condition with no chips, cracks or breaks. Approximate dimensions are 3 5/8 inch diameter and 4 1/2 inches tall with a capacity of 16 ounces. These glasses have sold out on the artist’s website, but a few remain available on a gallery website for $60 each.