Great Moustaches Coffee Mug - History's Finest Facial Hair - Includes Twain, Einstein, Chaplin and More The moustaches of Mark Twain, Lao Tzu, Leon Trotsky, and Groucho Marx are just some of the 14 great mustaches featured on this cool and quirky mug. For extra fun, each moustache is numbered. Try to guess who each mustache belonged to, then check the bottom of the mug to find out if you're correct. 10 oz. mug. Dishwasher and microwave safe. Comes in a colorful box. Click on "The Unemployed Philosophers Guild" above the product title to see more great gifts. UPG truly has presents of mind.