Originally Posted by
merziac
That fork will be just fine for now or from now on.
Whoever fixes the headlug needs to and probably will look hard for more damage, fork likely gone from a front ender. 
This seems a bit odd to me and I would send pics to Cinelli and see what they think, very clean separation, lack of or very poor penetration, maybe?
Jumping off of merziac's and others' comments...
Agreed. A fork is a fork. Unless you are looking for museum quality authenticity, as a riding fork it probably is fine. Plus you can get it raked at Cinelli specs if different.
I almost guarantee you are correct an it was in a pretty awful accident. Not sure why the down tube isn't ruffled...
Hopefully doesn't become too MUCH of a rabbit hole for you.
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