Just yesterday at Easter dinner my cousin gave me my grandpa's old 410 side by side rabbit gun that his father gave him. It is marked J Stevens Arms Company on the right hand side of the action with a dog, and 5000 on the other side. I think this means that it is from the 20s or 30s, but what throws me off from all of my looking last night and this morning, is that every component has a serial number, all matching. I know with my Remington I was able to look up the serial number and find out when it was manufactured. Is there some sort of list like that for these Stevens Shotguns? Also, on the bottom of the action, forward of the trigger guard is a stamped circle with the number 11 inside of it.

Any input would be greatly appreciated as grandpa is no longer around.

Thanks!