(1950's-1970's) German label, associated to the Christophorus Verlag.
It is also a record club, ususally to identify by the significant cat# and mentioned at the bottom rear cover:
Fono-Ring im Christophorus Verlag Freiburg im Breisgau
In the meantime the label released religious and classic music, distributed by the record club.
The club is most famous for release a very rare German Beatles and also a Rolling Stone compilation. Both appeared later on as counterfeits.
Exec of the club till the middle of the 1980s, was Daniel Marti who went on to Reader's Digest then.