Only issue I can see is that you may buy a counterfeit item. If you are willing to take that risk, than go for it.
My Slabbed 7070 Type Set: https://www.NGCcoin.com/registry/co...sets/305404/
My Slabbed IHC set: https://www.NGCcoin.com/registry/co...sets/269539/
My Slabbed IHC set: https://www.NGCcoin.com/registry/co...sets/269539/