You have a gun made by Iver Johnson's Arms and Cycle Works. It is a Target Sealed Eight it was made post war some time between 1945 and 1993 That M 1952 is not the serial number , it may be the date made. It is a very accurate Woods Gun " , made for the working man ( there was a recession in the aftermath of the Korean war, there wasn't a lot of spare money floating around.) It served it's purpose as an inexpensive working gun for the farmer, trapper, hunter. People knock it as a cheap gun, no it was not a cheap gun, it was an inexpensive gun made for the times. made in the times when it was more important to put put food on the table rather than toy.s