Mauser barrtels

i have a 18 inch long mauser barrel, the rear sight mount is round an slides over the barrel. the the stamp on the barrel is (1 backward 7F UPSIDE DOWN V AN A HEART - BACKWARD 7 9. AN THAT IS THE ONLY MARKS ON THE BARREL. I HOPE SOME ONE CAN HELP ME WITH THIS. ME E-MAIL ADDRESS IS HDBIKERMAC@AOL.COM THANKS