St. Clair Glass Paperweight Value Guide

St. Clair Glass paperweights are prized for their intricate internal swirl designs and precision-controlled bubbles, showcasing the mastery of brothers Bob and Maude St. Clair. These mid-to-late 20th-century pieces represent a significant era of American art glass production from their Indiana-based studio.

What affects the value of St. Clair Glass Paperweight?

• Presence of a clear, legible date and artist signature on the bottom of the glass.
• The complexity and symmetry of the internal blue swirl and bubble arrangement.
• Overall condition, specifically the absence of surface scratches, chips, or internal 'bruises'.
• Market demand for specific color palettes, with vibrant blues often reaching the $60 range.

How to Identify St. Clair Glass Paperweight?

• Look for the signature internal swirl pattern rendered in vibrant blue and clear glass layers.
• Examine the piece for 'controlled bubbles' which are intentionally placed in a symmetrical or decorative fashion.
• Check the base for an etched 'St. Clair' signature or a dated mark from the 1970s or 1980s.
• Verify the high-quality lead glass weight and clarity characteristic of the St. Clair brothers' craftsmanship.

History of St. Clair Glass Paperweight

St. Clair Glass, founded by brothers Bob and Maude St. Clair, was known for producing high-quality art glass in the mid to late 20th century. Their paperweights often featured intricate internal designs and careful control of glass elements, becoming sought-after collectibles.