How to Identify Quality Antique Glassware
Not all glass is created equal.
Antique glassware comes in many forms, and learning to recognize the differences adds depth to any collection. From the sharp brilliance of cut glass to the softer patterns of pressed glass, the clarity of crystal, and the dazzling designs of American Brilliant cut glass, each style tells a unique story of craftsmanship and history.
Antique glassware is admired for its sparkle and craftsmanship, but knowing how to tell the difference between types can help collectors and decorators choose wisely.
Cut glass is made by hand-cutting patterns into thick glass, resulting in sharp, precise lines and a heavy feel that catches and reflects light brilliantly.
Pressed glass, by contrast, is created by pressing molten glass into molds, which often leaves faint seams and softer, less defined patterns; it’s lighter and was widely used in everyday tableware.
Crystal contains lead oxide, which gives it extra clarity and weight and produces a distinctive ring when tapped, making it especially dazzling when etched or cut.
One of the most coveted forms is American Brilliant cut glass, produced between 1876 and 1917, known for its thick, heavy construction and deeply cut geometric motifs like hobstars, pinwheels, and fans that create rainbow-like reflections under light.
Understanding these distinctions helps you appreciate the artistry behind each piece and adds confidence to your collecting.
Tips for Collectors
- Look for etched signatures or maker's marks. They are often extremely subtle and you might have to look closely.
- Cut crystal feels heavier and has sharp, precise cuts. Leaded glass or crystal will produce a beautiful high pitched ringing vibrato when tapped, whereas regular glass produces a dull "clink" that ends abruptly.
- Pressed glass often shows seams or mold lines.
- American Brilliant Period (APB) cut glass is often distinguishable by its deeply cut and intricate designs. Due to the hand-made nature you can often find asymmetries and imperfections that only add to its antique value and appeal. ABP cut glass is typically quite dense and heavy due to its high lead content and often has deeply jagged rims and edges.