Originally Posted by adottavio
theres 2 markings that say 'choke 18.3 and 18.4' a jf marking a p.v marking and in small letters magi and 12.70 circled.
JF was a trademark of Janssen Freres of Liege, one of the better Belgian makers. 12-70 = a 12 gauge with 2-3/4" chambers. I have no idea of value.