In my Putnam edition of "Blood Lines" the picture of Nash kneeling and holding Bo Whoop I is opposite the title page. Ivory forearm tip clearly visible. On page 137 Nash writes "In 1926 my first Magnum twelve-bore was replaced by one built and bored for big shot by the famous Philadelphia gunsmith Mr. Burt Becker,..." That "first Magnum twelve-bore" is likely the Super Fox 12 standing next to the Parker and the .410 Merkel in "The Best of Nash Buckingham."