Self chins are just thatchin gene with the agouti gene: aa b_ Cchd_ d_ E_ They don't have the agouti gene, so can't produce agoutis. We have a self chin Mini Satin. It's pure black (no white hairs), but does have blue eyes.Also, self X self wont produce agouti, unless one of the selfs is a self agouti, such as a self chin, which usually looks like a self with scattered white hairs.
However, agouti X agouti can produce self....