Danish photographer Jan Grarup is looking for Nikkor 55mm. f:1,2 /58mm f: 1,2 / 28mm. f:1,4
If you have some of these, I know he'll be happy to hear from you.
E-mail him via jan.grarup (at) pol.dk
There is a 28/1.4 for sale on Fred Miranda that you may want to point him to.