Not necessarily rare, but a great collection of advertising images and actual stuff (bottles, camera, etc.) from the Victorian period. If you're using this as research, you would need to perform separate investigations as to when the item you're looking at was actually invented, since this stuff is not individually labeled and could have appeared anywhere from 1837 to 1901.
I actually bought this book to use for my junk journaling spreads... it is a gorgeous book, I bought it to use about 2 years ago and I still have not cut into it because I just love it. I don't know that I will ever cut into it.