How can you tell the age of glassware?

Other markings on antique glass pieces that offer clues to its age are: Pontil mark of a blown glass piece and whether it is highly polished or not. Mold marks. Any marks within the glass itself such as bubbles .Antique Glass MarkingsTrademark.Logo.Symbol.Signature.

How do you identify vintage etched glassware?

Identify the manufacturer of antique stemware by checking for a marker, which is typically on the bottom of the stem. 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 manufacturers logo or emblem.

How do I identify crystal glassware?

Because of its lead content, crystal glassware is stronger, heavier, and smoother than standard glass. The quickest way to identify crystal is to examine its look and sound. When held up to the light, crystal should reflect light and cast soft prism-like rainbows. Tapping genuine crystal emits a musical “ping” sound.

How do you identify etched glassware?

Identify the manufacturer of antique stemware by checking for a marker, which is typically on the bottom of the stem. 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 manufacturers logo or emblem.