You need the services of a gunsmith
Germany
The
euros were made when west Germany and east Germany were reunited !
No
Herbert Schmidt, made in West Germany- mainly 1960s. Not a lot of records, low cost handguns of indifferent quality.
It is a pellet pistol and yes.
25-100
Most likely a ROHM
Probably Herbert Schmidt
If it is made in Germany and in excelent condition, it is worth $150.00.
RG10 pistol-ROHM