It is a 35mm film canister.
Big enough for Geocoins and small TB's.
Covered in black duck tape
You NEED TO BRING A PEN.
Only contains a log book!!
Please Note: This is a Military Training Area on which live firing and other pyrotechnics may be used. The area is generally open public access. One of the safety rules for public access is:- Do not, (and ensure that children do not) approach, touch or pick up any metal objects lying on the ground. Please obey all byelaws and locally posted information concerning times when the area may be closed. These may be physical barriers, flags or lights. If you come across Military personnel under training please leave them alone and give them a wide berth, which may mean returning another time.
Happy caching.
PS Please put back in the same way you find it.
Push lid down hard.