FWIW I found that picture that Drew annotated as 1935 of Clark Gable holding the five shotguns in an article titled "Something About Shotguns" in the Guns and Shooting section edited by Phil Sharpe in the July
1939 National Sportsman magazine, pg 24.
Clark Gable July 1939 National Sportsman.jpg
Are those long slim barrels of the gun we can't see be the long barrel BHE 28-gauge.