Trench-art Mug With Engraved Stars And Design Unsure Of The Origin Or Maker

Trench Art Mug ?. With Engraved Stars And Design Unsure Of The Origin Or Maker . Condition is Used. Item stands 7 inches tall and 4 inches across. Made of copper and designed by hand decorations of stars 5 of them also has very unique engraving decorations. Handle seams to be riveted with copper rivets. Inside looks to be coated with a coating but just maybe oxidation. No dents or cracks, but does show age. (NOTE) I don’t believe that you can use safely for drinking out of.