I don’t know if anyone can help but I am slowly going through various parts I have bought as a general lot and working out what I want to keep and what I will sell on. I didn’t know if anyone could help as I was unsure if these are Max lugs and bottom bracket shells? They look to take oval tubing and have pictured them as best I can. There is surface rust which should clean up but haven’t tried as yet. I can’t see any markings on them. There are a couple of odd tandem (I think) bottom bracket shells as well.
From what I can see everything looks to be Max, except the one seat tube lug with fancy details. But given there are only 2 Max seat tube lugs, you can only build two “authentic” frames with what you have.