Although these have been described as regular die trial pieces, this is believed to have been deliberately struck as part of the unique copper set from the quarter to double eagle, including the rare 1884 trade dollar, presented to A.M. Smith, who authored the Mint's visitors guides. It full pedigree is A.M. Smith, Bolender's 101st sale 2/36 lot 32, Bolender 8/38, unknown intermediates, Bolt-Stacks 4/66, Heritage 1/06, Stacks 6/07, Simpson-Heritage 8/22 - PGS65BN Photo courtesy of Heritage.