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:
Copper J151B/P179, copper-nickel J151C/P180 and billon J151D/P181. Less than a half dozen of each are known.
Photo courtesy of Early American History Auctions.