Well the pawstar website says it is butterscotch colour using wild wolf fur (a synthetic fur they custom made that involves black highlighting through out to give it a more realistic fur pattern.)
The only times I have seen this pattern accomplished, and accomplished well is from artists that do a realistic style or a hybrid of toon/anime/realistic. Good examples are artists like Dark Natasha (realistic) or Kacey Miyagami (hybrid).
Commissioning them is usually hard + expensive.
It is probably better to simplify the color to it's base colour, butterscotch, for simplicity sake.