This is the former Cox example now in the Smithsonian Institution and is one of only 5 known.
The former Judd, Bass Foundation example is also viewable on this website. To see this specimen click here.
This design was also struck in copper J1511/P1675 with only 4 known.
For pedigree information on this and all 1877 half dollars, click here.
Photo courtesy of the National Numismatic Collection of the Smithsonian Institution.