Portieux Vallersthal robins egg opalis glass goblet from 1930s France, a vintage collectible stemware piece in robin's egg blue.

• Made of opaline glass in a robin's egg blue color.
• Features a rounded bowl and decorative stem design.
• Hand wash only to preserve the glass and color.
• Includes one goblet as shown; no additional pieces or packaging included.
• No visible manufacturer markings on the goblet itself, consistent with vintage Portieux Vallersthal pieces.
• Originates from France, circa 1930s.

Condition is good with no visible chips or cracks; please review photos for details.