]
I'm no expert but also leaning towards older, the DT livery is earlier than many that we see, 69-73 could be spot on, very cool no matter what, even as rough as it is.
And as Tom Peterson always said, "free is a very good price".
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'LXXII nominally out due to lugz...although there was a small sprinkling of transitionals
a better chainset image will permit closer bracketing
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