The more universal coupe gets you a little more bang for your buck, and the Nick & Nora lets you serve a similarly wide range of cocktails with truly retro flair, but there’s no law that says ...

Though the differences between a martini glass and a coupe glass may seem subtle at first, they can make a big difference in how you enjoy your next cocktail.

And as for the question of volume, you are likely getting the same amount of booze—both the Coupe and the Martini glass come in a range of sizes, usually capable of holding around 4 to 6 oz, ...

You're probably familiar with a martini glass, but then there's the coupe, which looks like it could stand in for a martini glass. Are they the same though?