Art Glass artisan ware decorative dish serving tray swirl design blue white

This decorative glass tray features a swirling, marbled pattern in shades of blue and white. The rectangular tray has an irregular, slightly wavy edge. It's made of glass and measures approximately 14 inches long, 6 inches wide, and 1 inch high. The bottom has four small, dark brown felt feet. The glass shows no chips or cracks; however, there are a few small, dark specks visible within the glass itself. The brand and model are not identifiable.