Oh thanks a lot for a quick translation guys..
Wow, so it's actually from early Meiji period, 1874! Is that a usual way of writing the year? Calculating from the start of the era and adding the written number? So Meiji 20 would be 1888?
Also, in the meantime I was cleaning the chest a little bit and found these papers "hidden" behind the drawer:
Are you familiar with such documents? Some kind of a financial bond I guess. Seems people auction them, this one seems the same as the one I got: