Can't resist. Listing on E-bay for a Bachmann PRR F7 shell states that someone has added hand rails and stagecoach style luggage racks on the roof. Good laugh to start the morning.
If you want to get a good laugh, check this out....(https://i.pinimg.com/originals/be/22/32/be22320a5c155c396b46a3237dcfcabc.jpg)
Hopefully, I'm not infringing on someone's copyright image. But it's hilarious to say the least.