Originally Posted by
KonAaron Snake
I got a response, but it wasn't very informative. He believes it's mid-70s and has stated it was among his earliest builds. 531. He thinks it looks lovely.
I suppose it's conceivable that he built an earlier style frame in the mid-70s outfitted with slightly older bits. Or his memory may be off (or he may have put forth minimal effort IDing it). I don't think the answer really sheds any light.
But he confirms he built it himself? Not a generic frame that he slapped his own decals onto? That's light, I think, since it's a fact you didn't have before.
The other facts are, components ca 1970 but the frame was made for a model of front derailleur whose production is "
believed to have ended in about 1967." As a
terminus ante quem, I don't regard that especially solid, but there it is.
We can speculate any number of ways these facts may have come about, but none of that really matters.