Joined: Oct 2011
Posts: 10,043
Likes: 2,505
From: Fairplay Co
Bikes: Current 79 Nishiki Custum Sport, Jeunet 620, notable previous bikes P.K. Ripper loop tail, Kawahara Laser Lite, Paramount Track full chrome, Raliegh Internatioanl, Motobecan Super Mirage. 59 Crown royak 3 speed
I see what look like the tail end of two small cracks just above the crown, I suspect if you remove the crown race there much bigger at the bottom so yes it's unsafe. It also looks like someone ground down a bit of the steerer tube and paint to closely inspect the damage cracks.