Does anyone have information about a KOCH CHROMATIC harmonica? made in germany Mint in box 10 holes key of C there is a label in side the box showing award medals wien1837 strugart1881 chichago1893 london 1891 also a drawing of an animal and the words Fabrik-marke
the back of the box has the following 980/40 M 1-073.111-40 stock pcs Harmonica KOCH   Made in Germany I suspect it is pre WW-2
Anyone have an idea as to it's age and value?