I took my 4 yr old ACE 250 with sniper coil out today, went to a city park where a big oak tree fell last yr and they finally got it cleaned up and i thought there might some good finds where the tree was-- and boy was i right-- found 1 clad dime 1 quarter 8 pennys and then about 3 inches down i pulled up a 1918 merc dime it was a little bent but i was jazzed to say the least, 1st time out and i found old silver GREAT HOBBY-- the 250 is like a bird dog--sniffs them coins up, It does everything i want Bob