trwilkes:
Your original thread was deleted, so I'll re-post the info here.
You have a .32 Hand Ejector Model of 1903 2nd Change manufactured around 1906/1907. It predates heat treatment of cylinders, so don't run hot hand loads through it, stick to standard pressure factory loads, which should be safe to shoot in it. It lack the positive internal hammer block safety introduced in 1944, so I would treat it as a 5 shooter, leaving the hammer down on an empty chamber.