~ Das Schöne blüht nur im Gesang ~
 
The verse seems to indicate that the clinking of steins helps with the singing of songs on this stein without lid, ca. 1900.
 
Das Schöne blüht nur im Gesang
bei frohem Becherklang.
The beautiful flourishes only in song
with merry stein clinking.
 
 
Translation: Roy De Selms
Photo credit: Unknown