Antique Glassware Identification Tips & What to Look For
By looking carefully, you can also see some clues that a glass item may be 100 years old or more: Pontil marks - Blown glass, as opposed to molded glass, usually has a pontil mark on the bottom. This has a circular shape. Bubbles and irregularities - Many antique glass pieces have tiny bubbles or other imperfections in the glass. You may have ...