I always find it amazing when people said 1 card is more limited than another card but both cards are numbered the same. It can only be 1 card is harder to pull than another but not 1 more limited than the other.
I believed it is a lot harder to hit a particular gold in prizm than a particular PMG green. PMG sells for a lot more because:
There is a reason why people keyword spam PMG in their ebay listing.