Artist's signature, Ant. Hille on Merkelbach & Wick stein, complete with Hoflieferant / Purveyor to the Royal Court, dated pre 1918. 
Stein manufactured by Marzi & Remy #1400, before 1918. The dedication is "Leibbursch Otto Plume to Leibfuchs Alfred Meyer". Plume was an Upperclassman / Graduate, Meyer was the initiate. 
Inked signature, A. Hille, Zerbst. 
Artist's signature A. Hille on Marzi & Remy stein, complete with Hoflieferant / Purveyor to the Royal Court, dated pre 1918. 