Click to enlargeJ1418/P1561

Although described as regular dies trial pieces, these were more likely deliberately struck for sale to collectors as part of complete off-metal sets.

Only 3 or 4 are known in copper with the illustrated example being the finest seen. These were also struck in aluminum J1419/P1562 with only 2 or 3 known including the R.E. Cox example which is in the Smithsonian.