Originally Posted by
sbarner
Wow. Just, wow. That's a tandem hub, by the way. Those Deltas should fetch over $400 by themselves.
Added: I should mention that the tandem hub, while beautiful and strong, uses a special bearing that is apparently 100% unavailable, as there is no standard bearing that it cross references to. Thank you, Campagnolo. Oh, and 3.5 mm hex keys are widely available these days.
I was curious on current pricing for this. A few used sets went for $300-$400. This non-NOS set with a box went for $500 + shipping. With good pics and good text, OP's set would probably go for more.
https://www.ebay.com/itm/37420042827...Bk9SR7qY8924YQ
Side note/hijack, look at these guys! I've never seen these before.
https://www.ebay.com/itm/33459910915...p2047675.l2557