What I find hilarious about the high prices for the Titus card is the fact that back in the day his nickname was "Tight Ass" because he was so frugal or "tight" with his money. Titus, if he was around today, would never pay $300+ for a PSA 2 common
...And I highly recommend you read his SABR bio, very interesting fellow.
http://sabr.org/bioproj/person/edd1ff06