I meant, get hold of someone physically and let him/her/them examine it in detail, such as your local Bomb Disposal team.
A young boy in UK years ago found an 81mm Mortar bomb on a gunnery range buried almost to its fins, he assumed it was a dud and kicked it. He ended up as a red mist.
UXB's are still being found all over the UK, even after all this time. Its reckoned that there are still plenty of live munitions on the bottom of the River Thames, just waiting for someone to come along and dredge them up.