This is the last evening I am going out after work mosquito's are just to bad.Ran 8X6 SEF coil in manual at 20 in low trash and dug only deep targets Disc set at everything below 30 notched out except the number 13 was out under 2 hours good night really cleaned coins with new dremel stylus worked good on everything but 1859 I found last night I think I hurt it more than helped but you now can read date better think it is different metal almost came out silver and is twice as thick as 1907 found to night.Coins were about 5 to 8 inches deep.