Maybe W did not cataloge 410 brass, but I will guarantee they produced them. I have some brass examples in my stuff, along with (pics of the green+black label box they came in. Not my pics so won't offer for show here.)
the 410 all brass box was like these;

You probably won't see loaded offerings in the brochures either, but they made them.
Also, a shell like the 3" below is probably not listed as a standard offering, along with other factory varieties of either tinned or nickeled brass shells.


I'm off to KC for the weekend along with the buckle for trade.
D

Looking for nice full 410 Winchester brass box