No where close? It looks pretty much identical. Taking into consideration the differences in cameras and lighting, the only difference is yours has a couple patches where it's missing the normal "browning" of a pastel.

Having some missing melanin is not that uncommon in pastels.

Wether or not yours has a hidden gene, that's up to you to prove, but until then, it's really just a nice pastel.

Like someone else earlier said, you can't give it a new name if it's a pastel. Certain pastels have "lines" like lemon, blonde, etc.. But they are still pastels.

The one above that i posted is a blonde produced by Will Slough. Who I believe is currently not breeding but he is one of the 2 original breeders who acquired the banana/coral glow ball and proved it out. He was one of the so-called "big name breeders" you like to keep talking about, but one who was very unsocial and preferred to stay that way.

What I'm saying is, in my opinion, you may not even have a new line in your possession. You may have just gotten some new blood of an already existent line. It's really a shame that the unusual baby you speak of died so soon. I mean that. Had it survived, you would have known within a couple weeks if it was just another one the sire, or if it really was something new.