Found this in my daily wanderings - H&R Trapdoor "Officer's Model" rifle in 45/70. These were very nicely done, deluxe rifles. I bought one in Tulsa a few years ago, and it is a dandy. Asking $950.

https://store-7g4m0.mybigcommerce.com/harrington-richardson-1873-45-70-government-r14668/