This is a Photo Shopped Osiria. There are several red/white bi colored HTs. Unfortunately, not even Osiria actually flowers exactly like this photo. Kim

Here is a link that might be useful: Osiria

I think Magic Garden Roses in Victoria would be your best bet. Since your from Qld, you would probably be best to order it bare root for winter delivery.

Yeah, I think that's going to be hard to match, if you do, let me know.
B.