20, John Street, New York City, New York, United States.
Jeweller
Dieges & Clust were jewellers established in 1898 by Col. Charles J. Dieges (b. Oct. 26, 1865-d. Sept. 14, 1953) and Prosper Clust.
They produced a range of medals, broaches and medallions. It is not known when they ceased trading.
Purchased steins from: Manning Bowman
Reference: Wikipedia
Manning Bowman Tankard with the basemark of Dieges & Clust, 20 John Street, New York. 
Touchmark on inside of base rim of featured stein right.. 
Maker's name on the back of a medal 
Manning Bowman with lid hinge assembly, typical on the marque. This stein was a prize with the inscription showing it was dedicated for a Boston Militia shooting competition in 1914. The Boston Militia originated from the first militia, mustered in 1629, in Salem, Massachusetts, by Captain John Endicott. It was based on two corps: The first being made up of the sons of the well to do, with the second, consisting of the artisan classes. It went on to form part of the National Guard. 