Great photo!!
FWIW Those Winchester REPEATER Speed Loads are ten to twelve years older than the gun. Hope they weren't shot in the gun as they have the old corrosive primers. During 1931-2, just as the Olins took over, the Winchester STAYNLESS primers were introduced. This would have been the box in 1941 --
Super-Speed 16-gauge 2 9-16 inch #6 one-piece, 1933-1941.jpg