I found a accordion with the words of Hohner Student VM on it. Any idea on the age of it?
When the Service Department come back to work in the new year I will ask.
This model was produced from 1951 - 1955. If you require more information, send the 6-figure serial number to Hohner Service (see hohner.de). For a fee of €40 they will send you a certificate with date of manufacture and any other available info.