Elegant "Panel Optic" Wheel engraved pink wine/water goblets: set of four, delicate pink, measuring approximately 6 1/2" tall, 3 1/2" across the bowl and 2 3/4" across the base. Excellent condition: no nicks or chips. Elegant glass is somewhat hard to find, with engraved specimens being even more scarce, since not that much of it was made. These pieces were produced with the "panel optical" pattern in the bowls, which were then copper wheel engraved with a floral pattern. They were frequently sold in jewelry stores and used for dinner parties, special occasions, and would have been called “the good glassware”. There were two main types of glass made in the United States during the first half of the twentieth century. Depression Glass was totally machine made and therefore much cheaper to produce and Elegant Glass which was at least partially hand made by skilled craftsmen resulting in a much higher quality glass which although not "perfect" had far fewer flaws. Most had tiny production flaws such as bubble inclusions which are hallmarks of period authenticity.