This is listed in Judd in Appendix A on page 232. The dentilated blank side was probably struck from the same die as on gold dollar J136/P163. Examples were struck in the following combinations: For all available images, click here. Copper J151B/P179 with about 4 known including one that has been gilt and another silver-plated. Copper-nickel J151C/P180 with about 10 known Billon J151D/P181 with just over a half dozen known. Photo courtesy of Early American History Auctions.