It is written Saint Petersburg in Russian on the bottom and showing the monument of Peter the Great 

on the front of the mug in black color. This monument is the symbol of Saint Petersburg. There is gold trim on the top and bottom of the mug. It was used only for display, not for drinking.

This mug can be used as tea or coffee cup as well. Please take a good look at the photos as they are a part of the description. What you see there is what you get.