Silver coffee pot, asked to assess
 

Dear friends , help me, please , to assess the silver coffee pot, 750. I would like to sell it. Having inherited from his grandfather , to whom fell during the war. It is necessary to mark J.Wagner & Sohn, I know that this company is a manufacturer known since the late 19th century. I am interested in monogram and indeed, this is a pot worth ? Thank you in advance .

Weight need to know, and to calculate the monograms must-attend forum venzelistov.
Nobody here will not do it.

Germany beginning of 20th century, a special artistic value is not at the price supposedly 30-40rub.
per gram with HC.