Today i hit an old ball field and the 2nd or 3rd hole i dug i was getting a real iffy signal on my AT pro at about 10 inches deep WOW :shocked03: i saw my first silver Washington looking back at me also in the same hole i found a mercy dime and 5 wheat pennies. There was also a big chunk of iron in the same hole that must of been the cause of the iffyness in the signal.