These is a set of 4 16oz. English Pewter Mugs. The bottoms are glass. The markings say "English Pewter" "Lales of Sheffield since 1779" and "Made in England" T are some very minor dents in 3 of the 4. Rims and handles are in perfect condition.These hung proudly behind my bar for 10 years. I have changed residence and I dont have a bar!!!! Enjoy! Please take a look at my other items on eBay.