Could anybody identify the brand “ATB N.11” stamped in a vintage cottered spindle?
It is possible the initials are “AB’ with a hammer or something in between, but i doubt it.
“ATB” is placed in a triangle, flanked by two wings, N.11 under the triangle.
This spindle came out of an french threaded Magistroni 35 bracket 66! mm in a ’50 lightweight. and looks nicely made and chromed.
I believe it’s an original combination, and i like to rebuild the frame with it if I can find the cranks.

Any suggestions for the rebuild of this BB are welcome!
Thanks , Paul
Rotterdam, the Netherlands