now THAT is one absolutely brilliant, outstanding and magnificent Lophophora williamsii var. texana/texensis.
the wool is just fantastic... due to never top-watering.
I think this could be called a 'spiralis' form, however its just this specimen and this character would most likely not be transmissable to offspring, but then again anything's possible.
it happens sometimes with lophs, the following showed up on a google search:
not sure what size that one in the pic you posted is, but it seems huge.
and in any case that plant is something to clean the savings out with....