The oldest things I own:
This is a German Bible I picked up for $ 2 at a used bookstore. It was given as a Confirmation gift in 1898. There was a clipping in it about a soldier who died in WW1 - a younger brother of the owner of the bible, maybe?
The tiny little prayer book was a gift from
bellegeste. I think it is at least 150 years old, but it doesn't have a date inscribed...so I don't know the exact year!
This is the inscription in the Bible, in Suetterlin German script: