This is a vintage green glazed stoneware mug featuring a relief of "The Gorgons Head" from the Roman Baths in Bath, UK.
Material: It is made of stoneware pottery.
Design: The mug has an hourglass or goblet shape and a green glaze.
Emblem: The central emblem depicts the Gorgon's Head, a prominent feature at the Roman Baths site, often associated with the goddess Sulis Minerva.