Custom lugs, tensor Rubi

[Michum]

Hello again, does anyone recognize this lug symbol?

 

[highlandsflyer]

Had those on a few frames. Looks eighties/nineties Italian. Bottom bracket?

 

[Michum]

Had those on a few frames. Looks eighties/nineties Italian. Bottom bracket?

Seller claims that its French but i highly doubt it. To me it should be italian.