Lincoln Wheat Penny Color Guide: What Red, Brown & Rainbow Toning Really Means
A Lincoln Wheat Penny’s copper surface can gradually change in appearance as it reacts with air and its surrounding environment.Lincoln Wheat Cents were introduced in 1909, and the Wheat reverse remained in use through 1958. A coin that was originally bright reddish copper may gradually become red-brown or brown as its surface reacts with the … Read more