I think it could be a Clashed Die strike. The line under the eagle's beak looks like a clash from Washinton's neck and I see a line between the eagle's wing tip and the arrow heads that matches George's nose. Here's a clash overlay to show where you may find other clash marks.
Click on the picture for a larger image

Click on the picture for a larger image

ANA ID: 3203813 - CONECA ID: N-5637 Clean a coin that may be worth collecting? Please DON'T! When in doubt, leave it dirty!!





























