Lots of Canadian Pacific boxcars and a few stock cars:

https://www.ebay.com/itm/175362122778

Other slides with freight car views from this seller:

https://www.ebay.com/itm/185512528114?hash=item2b316888f2:g:ZasAAOSwUnBi2HPG

https://www.ebay.com/itm/185512517049?hash=item2b31685db9:g:v3UAAOSwlrti2GN~

https://www.ebay.com/itm/185512525866?hash=item2b3168802a:g:LCsAAOSwtNti2DGI

https://www.ebay.com/itm/185512516284?hash=item2b31685abc:g:rvYAAOSwRLxi2GYN

Looks to be from the early 1960s or so, but still a lot of steam era freight cars:

https://www.ebay.com/itm/175362124428?hash=item28d465aa8c:g:VRsAAOSwr8pi2Xx7

I have no connection with the seller.   Just happened upon these and wanted to share.

Steve Johnson