- m6GwhXQAT1g
- m7s3yagpeohbqu6pvcyy
- mabmx2wglwxhksmolxau
- Made By Conn On Bell
- Made Exclusively For H. Couf by Julius Keilwerth Musikinstrumentenfabrik
- made for couf engraving
- Made In Chechoslovachia Stamping
- Made In England
- Made In France
- Made In France
- made in gdr stamp
- made in germany
- Made In Germany Serial
- made in germany stamp