I missed the main idea of what the trial die was when I was informed what it actually was. Got it down. In the reverse of the coin.
ya still dont have it... trails are parallel raised ridges which extend away from the corners of a coin’s design elements. They are strongest at the point where the device meets the field, and then taper off as they extend into the field. heres a 1998d with trails...
That appeares to be a clash of the memorial . You can see the Collins and base of the building. Tilt the coin so the lines are 90 degrees vertical,then reshoot it. On the obv. there's a clash to the left of Lincolns head.
Hope you all don't mind but if we are talking about the area at the top of US of A they appear to these old eyes as feeder finger scrapes.
I have never even heard of this phenomenon before! Do they have to be present on all the devices or can they only be on some?
Trailing can occur anywhere but not necessarily on all devices. I have a slew of 2017P cents with it on the numeral one. It was also on a lot the DDR's from 2009 and prominent on "Liberty" (TDO-002) on the "Formative Years" LP2 on DDR-043. I also have several rolls of LP2 with it on the grass at Lincoln's left foot combined with an abraded die at the grass at Lincoln's right foot. It is more of an oddity and does not contribute much, if any value to the coin.
<-----------agrees with tommy, feeder finger scapes on reverse an i'm not seeing any clash on obverse..
Sometimes they can be light and other times more prominent. Depends on the adjustment of the feeder fingers at the time the event occurs.
Definitely feeder finger scrapes. Also the subject of die trails has been solved. They are actually caused by mint workers using wire brushes or dremel tools on the dies.