Older Browning light twelve help
Hello I bought a older browning light twelve at a yard sale today. Serial number puts it at 1958. How can i tell hows its choked? All kinds of proof marks on underside of barrel a number in a circle 12-70 and some other numbers c52458 and T-097. 28 inch plain barrel beautiful wood and semi round knob.I would be thank full for any help.