The image shows a purple (amethyst) hand-blown art glass paperweight sphere featuring an inner core and a pattern of controlled, trapped air bubbles near the surface. It is styled like mid-century modern studio art glass pieces often produced by makers such as Caithness or Scandinavian glassworks. 

Features

• Color: Deep amethyst purple interior core with clear glass casing.

• Design: Controlled bubbles arranged evenly across the sphere.

• Form: Smooth, heavy solid glass orb

The image shows a partially worn manufacturer sticker that includes the circular logo and text characteristic of vintage Caithness Glass from Scotland. 

The value of a vintage Caithness Glass paperweight typically ranges from $15 to $50 for common, open-edition designs. Highly complex limited editions or special collaborative designs can command higher values between $100 to over $500