One has an almost unnoticeable chip in the rim.  See pics.

The Vintage Libbey Bubble Stem Liquor Cocktail Glass in the "Brookdale" Pattern is a three-piece set of round, hand-blown glasses manufactured in the United States in 1956. This mid-century modern cocktail glass is decorated with a glossy finish and features a clear color with a Brookdale pattern. It is a unique and collectible piece ideal for all occasions, perfect for those who appreciate vintage drinkware and enjoy handcrafted items. With a weight of 1 lb per glass, these cocktail glasses are a stylish and unique addition to any drinkware collection.