- You could find the mark on the rim or center of the foot, on the stem, or on the bottom of the bowl.
- The mark could be an initial, a logo, a word, or coded numbers and letters.
- Some marks are molded or embossed, others are stamped or etched on the glass (Waterford, for example).
Is cut crystal worth anything?
American cut glass is a very valuable collectible on the antiques market. Values range based on quality, maker, condition, and pattern and many pieces regularly are worth $1,000 to $100,000.
How can you tell an antique crystal?
Most antique crystal has an etching, symbol or sticker made by the company that manufactured it. Hold the stem up to a light to look for a manufacturer's logo or emblem. For instance, Heisey stemware is marked with the Heisey diamond H, the letter H inside a diamond; some have an embossed H and and a diamond.