Originally Posted by
luker
okay, so I don't win. Looks like the seat cluster was drilled out for that bolt, though. That'll be hard to repair. Oh, and I still don't think that the fork is original to the bike.
The drilling - quite possibly correct.
The fork - I think it is:
Here's a link.
A refinished 1957:
From a 1962 (which has slightly different head tube lugs):