This mark is on a religious themed wall plate, dated with a centennial marking, 1517 - 31st October 1917.
"Mercury" Ink stamp. 1874- 1909 
"Mercury" Ink stamp. 1874- 1909 
Large V & B Dresden stoneware pitcher, #4970. 
"Mercury" Ink stamp on featured pitcher, dated 1874- 1909. 
"Mercury" Ink stamp. 1874- 1909 
"Mercury" Ink stamp. 1874- 1909 
"Mercury" Ink stamp. 1874- 1909 