Welcome to the forum. That serial number doesn't sound right for a true antique, or any .32 that I know for that matter. Can you post a couple of pictures? And please check the rear face of the cylinder to see if the serial number from the butt is repeated there.

Is this the type of gun in which the cylinder swings out to the side to eject and reload? Or is there a latch on top that lets the barrel pivot down for ejection and loading?

With a little more info we can tell you about your gun; it's just not clear right now exactly what you have.

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David Wilson