It could be a P inside a D. Dario Pegoretti perhaps?
I should have put in the description its looks like a D&P. dario seems to have liked the flamboyant paint jobs but he didn't do any work with lugs as far as i can see online. another potential builder could be detto pietro
@Nbenja3 started
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It could be a P inside a D. Dario Pegoretti perhaps?