This is the only known specimen in silver (6 in bronze/4 in museums and 2 in private collections) and, until recently, there was no evidence or proof of its actual existence although it had been speculated for 90 years that it did exist. It evidently surfaced from a very old collection and I was the lucky one to snatch it up before anyone else.
Ludwig Gies was a contemporary “Munich Schooler” along with Karl Goetz

Here is the scanned page from Bernard Ernsting's "Ludwig Gies" Reference book. This piece is either WVZ 117a or an unknown variety of WVZ 117a as this one is a uniface.