Thanks for the information.
If this is a basic commodity that's why I can not find any similar? Should be present in large quantities as Stradivarius, Amati etc from the area of the Czech, Czechoslovakia and Saxony.
Have you seen a violin or had them in their hands?
Is the head monk was a recurring theme? For example, Polish luthier Marcin Groblicz in his violin placed a dragon's head.
Is manufactories used the principle of reproducibility.