The selected region shows a hand-blown art glass paperweight featuring a colorful interior abstract "color burst" or trumpet flower design with controlled air bubbles encased in clear glass. 

Design Features

• Core pattern: Multicolored pulled glass streaks in red, yellow, and blue resembling floral or trumpet shapes.

• Bubbles: Trapped circular air pockets (controlled bubbles) surrounding the interior design.

• Style: Murano-style or studio art glass production

• Details: Encased air bubbles adding depth and texture to the interior

  
  

Based on current secondary market listings, this style of unsigned, vintage hand-blown art glass paperweight is typically valued between $10 and $30.