I see you still need the Penny’s two streamlined K4s; the Torpedo and Streamlined.
I've got those. Way behind on taking individual photos of my trains, and I've pretty much given up. Still have some in boxes, and received this from a member on the Forum this week:
I think I will just take new photos of what I have, on the shelves, and be done with it.
Old photo of some of my shelves (two made by Classy Woods, no longer in business):
I also have these wooden trains from the 1940s by Strombecker, all assembled and painted and now, after many decades, on display: