There is a similar coin on MAShops, attributed as Stolberg-Rochefort-Nordlingen. This is a 2 kreuzer, dated 1566.
The Stolberg stag is facing right; on many others it faces left. Is this significant?
Your assistance with the attribution would be appreciated.
http://www.elfreeman2.com/t18/6ff65o.jpg
http://www.elfreeman2.com/t18/6ff65r.jpg
Diameter is about 20mm; weight is about 1.1 grams.