The regular dies trial piece. The copper examples were more likely deliberately struck for sale to collectors as part of complete sets. Four copper sets have been accounted for. T. Harrison Garrett had one, a mostly complete double set was apparently stolen from the Iowa State Historical Museum and a 4th set missing the half dollar was offered in Europe in 2022. Examples were struck as follows: Copper J596/P660 with about a half dozen known as noted below. To view all available images, click here. 1) ANS – accession #1916.192.390 2) Britton-G Cogan 1/1883, Garrett-JHU, Stacks 3/76 in set, B/M 8/87 ANA, Superior 10/89 as NGC64RB, MARCA 8/91 as NGC64RB, Superior 5/03 as NGC66RB, Simpson-Heritage 1/24FUN - PCGS67BN, illustrated above, click on the thumbnail to enlarge 3) Monaco 10/22 set - NGC65BN 4) RARCOA 1/73, Stacks Auction 85 in partial set, Stacks 9/94, Superior 2/97, Heritage 1/99 FUN as PCGS64BN, ANR 1/04 as PCGS64BN, Heritage 8/04 as PCGS64BN, Heritage 9/04 as PCGS64BN, ANR 1/06 as PCGS64BN, StacksBowers 8/11 ANA as PCGS64BN, Heritage 2/12 - PCGS65BN 5, 6) Stolen from the Iowa State Historical Museum Nickel from regular business dies J597/P661 with only 2 or 3 known struck from business strike dies and thus there is a possibility these are actually mint errors struck on shield nickel planchets. The 1890 Parmelee coin was called Unc, whereas the 1891 Doughty and 1892 Woodside coin was called Proof. The following 2 are confirmed: To see images of these last 2, click here. 1) Kosoff 5/42, Kreisberg 2/60? (called toned Unc), Paramount 5/69, Heritage 3/99, Heritage 8/01 as PCGSAU55, Heritage 4/18, Heritage 4/19, Heritage 10/19 - NGCAU58, now PCGSAU58 2) Woodin, Newcomer, Morgenthau 9/35, Curtis-Kosoff 2/50, Farouk, unknown intermediates, Heritage 3/99, Heritage 12/2000, Heritage 1/01, Heritage 1/07 as NGC68, Simpson-Heritage 1/24 FUN - PCGS69, illustrated below Silver J598/P662 with at least 2 confirmed from business strike dies as follows: 1) Reed-Durham Museum 2) Woodin, Newcomer, Farouk, Kreisberg 2/60, Dibello-Stacks 5/70, Sieck-B/R 8/81 ANA, Bass-HWBRF - PCGS61, cleaned and lacquered Photo courtesy of Superior.