There was some dude at T-town last week who had a similar 72 NR derailleur carved out. Only his looked like it was done with a hand drill, coping saw after a half bottle of Jose Cuervo. I asked him how much and he said make an offer over $100. Basically it was ruined but I did not have the heart to burst his tequila bubble.
Ray Homiski
Elizabeth, NJ