OverstruckStruck on an older coin. Often some of the legend or type on the older coin is still visible. In addition there are usually undertype effects on the new coins design. Due to the uneven surface of the undertype, parts of the die may not fill, leaving some elements of the new type unstruck. | OverstruckStruck on an older coin. Often some of the legend or type on the older coin is still visible. In addition there are usually undertype effects on the new coins design. Due to the uneven surface of the undertype, parts of the die may not fill, leaving some elements of the new type unstruck. |