Was going through some of the old hunting items that were handed down from my Grandfather to my father and now to me. I found these 3 old Ammo boxes and thought they look pretty cool. Was thinking about having some kind of display case made where i could enjoy them every day. I also have a couple very old 32 & 38 revolvers that i think would look good displayed with them. Is there any way to date these old Ammo boxes?