Why can't I create an MTF that looks identical to a popular one that has already been sold? I can sell that fake NTF to myself for the same price the real one s

Why can't I create an MTF that looks identical to a popular one that has already been sold? I can sell that fake NTF to myself for the same price the real one sold (so it looks like it has value and is real). Then I can market mine as the real one and sell it to someone for a profit.