I would guess new zealand mix. Not impossible to be pure new zealand too. That coloring ("Broken Steel") is common in new zealand crosses (including new zealand whites crossed to other new zealand colors) and the shape and size remind me of one too.
Also, this is probably the wrong section to post it in
Yes, she is definitely mixed with a New Zealand bunny, but cannot be a full breed due to the colors and the ears, face are a little different. I raised a NZ black for several years, then crossed them with a male Netherland Dwarf...the babies were all huge (over 7lbs). They are the sweetesf bunnies in the world! She is such a cutie, though!