I got out for a bit today at a palace I've hit a few times and it never lets me down. I hit this and I'm not sure what it is and don't really want clean it any more then I have , just in case. I figured the hard core relic folk would bee able to shine a little light on this one. The date looks like 1787 or 1738 . It was 6 or 7" deep and I was use 4K ,reactivity 1, silencer -1, full tones. I also have another program that's is 12k that I check for iron with but this time the tone in 4 was pretty good and in 12 it sounded like a nail , when I dug it I found 2 nails and then rechecked the hole and then it sounded the way it should have . So if anyone has an idea what I've got I thank you in advance.