~ Bibite ~
The stein is the Mettlach "Eule" (owl) character stein mold #2036 dated 1903. "Bibite" is the imperative plural form of the Latin word "to drink". Because the owl symbolizes wisdom, it would be prudent to follow its instructions as I'm sure many did.
Bibite	(everyone) Drink (up)

Translation: Roy De Selms Photo credit: Unknown