For sale is an extremely rare 1928 Devil Hot chocolate mug made by humoresque cups. By Sydney Kann. Made in Detroit. This mug has a lot of crazing throughout the mug a few hairline cracks. This is nearly 100 years old. A beautiful depiction of the Devil and his Cauldron The words under the picture reads “ to serve you right we always aim and lie awake till half past two so if your drink is cold complain and we will make it hot for you“ We combine shipping. All the very best Steven.