Hi i really need some help with my ww2 german binocular as it has the initials H.J.I. (could be a i or L) on the top of the binocular case & i was wounding what it means but i have had no luck finding the meaning & also its serial number is 672046. & it says carl zelss jena on the left side of the binoculars & on the right it says d.f. 6x again please help if you can and i will post pictures tomorrow of it and thanks
