Cobalt Blue Ribbed Glass Vase
Decorative Art / Glassware • Mass-produced glassware; likely manufactured by companies such as Anchor Hocking, Fenton (unsigned lines), or similar commercial glass factories.

Style & Movement
Mid-Century Modern revival / Contemporary Decorative
Medium & Technique
Cobalt glass; press-molded or mold-blown technique with a vertical optic ribbing pattern and a flared rim.
Creation Period
Late 20th Century (circa 1970s–1990s)
Dimensions & Format
Approximately 6 to 8 inches in height; cylindrical/flared three-dimensional vessel.
Subject Description
A utilitarian decorative vessel featuring a deep cobalt blue color. The form is characterized by a bulbous base that tapers slightly before flaring at the mouth, decorated with deep vertical molded ribs that create a play of light and shadow.
Condition & Value Assessment
Condition Assessment
Good; the glass retains deep color and clarity, though surface dust and minor shelf wear are visible.
Estimated Market Value
$15.00 – $35.00 USD
Auction Estimate
$10.00 – $25.00 USD (typically sold in lots at auction)
Provenance History
Likely acquired via retail secondary markets, estate sales, or common household distribution; no specific labels or signatures are visible to indicate a unique provenance.
Art Historical Significance
Representational of late 20th-century American or European colorful glassware trends, focusing on accessibility and the aesthetic appeal of colored glass in domestic interior design.
Notable Features
The piece is notable for its rich, saturated cobalt pigmentation and the classic optical rib design which remains a staple of traditional glass manufacturing.
Condition Issues
Visible surface dust and particulate accumulation inside the vessel; possible light scuffing on the base consistent with age and use.
Conservation Recommendations
Gentle cleaning with lukewarm water and mild dish soap using a soft microfiber cloth; avoid abrasive chemicals or high-heat dishwashers to prevent glass sickness or scratching.