A family member passed away and I inherited a bunch of stuff. Among it was a safe that had thirteen goblets in it and some old documentation that made them seem very interesting. It appears that at the end of WWII my great grandfather happened upon a crate filled with these goblets which were owned by a bunch of influential Nazi families.
There are hints that these goblets were possibly part of "The Signatures of a Glass Concession". Which was apparently a set of goblets that signified the membership in a movement to assassinate Hitler.
I am not sure where would be a good place to hunt for more information on this (especially in English). I am going off of a bit of information from the 70's that was with the goblets and what I have managed to scrounge for on wikipedia.
Here is an excerpt from a letter that was with the goblets: http://i.imgur.com/iTOmzYp.png
Here is an excerpt from an appraisal: http://i.imgur.com/SNFnBYG.jpg
Here are photos of one of the goblets: http://imgur.com/a/7E0E2
The names that appear on the 13 goblets are:
Some of these names I have been able to link to Hitler assassination attempts, but not the group, and not the goblets themselves.
So /r/askhistorians... Are these goblets historically significant? What is "the Signatures of a Glass Concession"? Are these goblets part of it?
I'm sad to say, I am completely unfamiliar with "The Signatures of a Glass Concession".
The appraisal mentions a story in LIFE magazine in 1948, which you probably should dig up and which might provide more information.
However, the names you list are all names of members of nobility (signified by the "Von" before the names) but the men involved in the July 20 plot were not all of noble heritage. One example is "von Aigner". Josef Aigner, who was arrested after July 20, 1944 was neither of a noble family nor really involved in the plot. And some names like Barnekow and De Witt don't appear at all in connection to the July 20 plot.
