Possible Irv, but believe that seller to be legitimate, albeit one who highly values his cards
. You can find most of the variants he lists yourself on eBay , COMC or Deans if you look over time. If they turn out to be non recurring then I lose interest, and that variant is not listed in the H&S super set.
However, defects like the Campos black star or missing front border can be recurring but pretty scarce