Went to a college town about 10 miles away from mine and tried a big lawn/field behind the high school , 1 hr hunt,- 1 pass up & 1 back about 50 yrds and yippy high yo ki yea 1959 silver dime, 1st glance and i knew what it was, WOW 3rd silver coin this yr, It sure wasent like this when i 1st started, any way GO ACE 250, im wondering if i even need another machine, i would like to try a top notch detector maby a MXT pro or ? Z