Signed glass art—including works by Chihuly, Lalique, Gallé, Steuben, Tiffany Studios, Orrefors, Kosta Boda, and modern studio glassmakers—is one of the most visually distinct and widely collected categories in the decorative arts market. But because signatures can be engraved, acid-etched, molded, or added later, correct authentication requires a technical understanding of the glass itself—its clarity, weight, color layering, inclusions, finishing techniques, and studio traits.
DJR Expert Guide Series, Vol. 169 — How to Authenticate & Value Signed Glass Art teaches the complete professional system used by decorative arts specialists, appraisers, and auction houses. This guide explains how to evaluate maker signatures, structural traits, pontil marks, base finishing, glass clarity, casting lines, color patterns, and stylistic indicators across major glass studios.
Inside, you’ll learn how experts:
Distinguish authentic signatures from laser etching, fake engravings, and modern additions
Identify real Chihuly pieces vs mass-produced “Chihuly-style” art glass
Evaluate Lalique markings, mold patterns, frosted surfaces, and old vs modern signatures
Understand pontil marks, hot-worked finishing, and hand-blown indicators
Detect acid stamps, wheel-engraved marks, and forged studio signatures
Assess clarity, weight, color layering, bubble patterns, and internal structure
Recognize studio-specific traits from American, Scandinavian, and European makers
Identify restoration issues such as grinding, polishing, and replaced components
Determine fair market value based on rarity, form, studio, condition, and documentation
Volume 169 provides collectors with a complete, structured system for authenticating and valuing signed glass artwork—ensuring confidence in a market filled with reproductions, misattributions, and forged signatures.
Digital Download — PDF • 7 Pages • Instant Access
Signed glass art—including works by Chihuly, Lalique, Gallé, Steuben, Tiffany Studios, Orrefors, Kosta Boda, and modern studio glassmakers—is one of the most visually distinct and widely collected categories in the decorative arts market. But because signatures can be engraved, acid-etched, molded, or added later, correct authentication requires a technical understanding of the glass itself—its clarity, weight, color layering, inclusions, finishing techniques, and studio traits.
DJR Expert Guide Series, Vol. 169 — How to Authenticate & Value Signed Glass Art teaches the complete professional system used by decorative arts specialists, appraisers, and auction houses. This guide explains how to evaluate maker signatures, structural traits, pontil marks, base finishing, glass clarity, casting lines, color patterns, and stylistic indicators across major glass studios.
Inside, you’ll learn how experts:
Distinguish authentic signatures from laser etching, fake engravings, and modern additions
Identify real Chihuly pieces vs mass-produced “Chihuly-style” art glass
Evaluate Lalique markings, mold patterns, frosted surfaces, and old vs modern signatures
Understand pontil marks, hot-worked finishing, and hand-blown indicators
Detect acid stamps, wheel-engraved marks, and forged studio signatures
Assess clarity, weight, color layering, bubble patterns, and internal structure
Recognize studio-specific traits from American, Scandinavian, and European makers
Identify restoration issues such as grinding, polishing, and replaced components
Determine fair market value based on rarity, form, studio, condition, and documentation
Volume 169 provides collectors with a complete, structured system for authenticating and valuing signed glass artwork—ensuring confidence in a market filled with reproductions, misattributions, and forged signatures.
Digital Download — PDF • 7 Pages • Instant Access
Image 1 of 1