If you're referring to the linear feature passing behind the columns of the Lincoln Memorial, it's likely a linear plating bubble. Is the feature raised or sunken (incuse)?
It it were a feeder finger damaged coin, then the bays/fields would have been affected. Note on your coin the bays and the column tops are affected. Linear Plating bubble on that area.
Disclaimer: While a tremendous amount of effort goes into ensuring the accuracy of the information contained in this site, Coin Community assumes no liability for errors. Copyright 2005 - 2023 Coin Community Family- all rights reserved worldwide. Use of any images or content on this website without prior written permission of Coin Community or the original lender is strictly prohibited. Contact Us | Advertise Here | Privacy Policy / Terms of Use