If You Have: (My best guess based off information gathered in the last 3 days)
Goldsmithing: 70
Smithing: 55
Bonecraft: 60
Please let me know (message a repsonce here), you will be making new never before seen weapon. You may add your name.
-Avotas
BTW: Lbedo and Owen refused to help, they don't want to accidently break a new item with unknown skill caps.