Hmmm, but what I find extremely odd after looking at the photo again, is the fact that it has a thin, very distinct "V" shaped snout band. That is a typical meristic chararacteristic of the Honduran milksnake and several other Latin American subspecies of milksnakes. Nelsons milksnakes(from western Mexico) never display a "V" shape snout band whatsoever, and are solid black, mottled with light pigment flecking, or sometimes entirely all white/yellow. Anything is possible with bizarre patterning of hybrids, but I would try to double check if it really isn't a Honduran milksnake cross instead of a Nelson's. Albino's of both subspecies are quite common in the hobby, so it is possible it could be either. But the typical Honduran characteristic of the snout makes me wonder. I have bred all these types and many countless other snakes for decades is why I am saying this in the first place.
~Doug
Albino Honduran milksnake......
another bicolored tangerine albino Honduran milk........
Stuart's milksnake(very similar to a Honduran milk).......
Normal Honduran milksnake.........
normal Nelson's milksnake............
another normal nelsoni..........
an albino nelsoni...........
albino cornsnake.........
Normal cornsnake....note the head "chevroning" faces the opposit way as the "V" shaped snout bands in the Hondurans. The "V" on your snake's snout is no doubt from the milksnake influence that I am talking about, but it's only typical of Hondurans, not Nelson's.