www.925-1000.com

This is on a Augsburg beaker c. 1700. I always thought it might be a guild's coat of arms, or perhaps a family''s or towns.

Having learned at least from the Heraldik site, this is a religious, ecclesiastical coat of arms, possibly that of an abbey.

Well I actually found it myself, but I couldn't have done it without the help of people on the Heraldik site.
The beaker was first owned by Maria Williburg Frey, Reichsäbtissin von Rottenmünster († 1725)
Who was the Princess-Abbess of Rottenmünster now Rottweil.
http://commons.wikimedia.org/wiki/File: ... Wappen.jpg

So MWAZR stands for Maria Williburg Abbess at Rottenmünster.

This seems particularly appropriate as a friend refers to me as the Rottweiler of researchers.
Maurice