You'll also find some saxes with the pitch stamped as a frequency. This is often double the standard (e.g. 880 instead of 440). Just divide the stamped on frequency by two. Small variations around 440 (e.g. 435) can be accomodated by the player.
Glad that Sax wasn't around during the Baroque. To stop the strings folding in fur middle, they plat at 415 Hz. TV must be our most pitch aware member as he sometimes has to cope with these differences.