StemwareAndSuch. Yes, you can go online and research to find the answer but this will only get you so far as the process As you are well aware crystal is very hard to photograph. It features two interlocking triangles that create a 6-pointed star, the symbol of Judaism. It can be etched into a stem, decanter, or drink glass. Finally, if you want to identify an old crystal pattern, you can ask for expert help. The original Waterford company was first opened in 1783 by William and George Penrose. If you have a piece featuring a popular pattern thats currently in demand, its going to be worth more than the one that has no interest among the collectors. Facebook; Twitter; LinkedIn; Email . Waterford's glassware is the company's most famous product, but they create beautiful flatware, bowls, and many other elegant pieces.