@cullers has a PSA misidentification error that is quite desirable.
www.elitefourum.com/t/the-charizard-that-psa-does-not-want-you-to-see/22103/1
His circumstance is atypical though and to 99%+ of people a normally gradable card (unlike the above) that is simply mislabeled is just seen as an annoyance and something needing fixing down the line.