The Talking Machine Forum — For All Antique Phonographs & Recordings

I have this bracket sitting in a drawer since a long time and still don’t know on which machine it was mounted.
Given the shape and elbow, I presume it came from a disk Columbia machine but which one? (those Columbia machines are not common in europe). It looks a bit smaller than the ones for a BO or a BI.
Could you help? Thanks a lot