This is the first of 3 quarter sized pieces. It shows an Indian head similar to that on the regular cent and a shield inside a scallop with engine turning in it.
Examples of this are known as follows:
Silver JC1861-4 with an example, ex Ford, sold in StacksBowers 8/13 sale.
White Metal or Lead JC1861-5 with an example sold in Heritage 8/06 sale.
Photo courtesy of StacksBowers.