Although described as regular dies trial pieces, this was more likely deliberately struck for sale to collectors as part of complete copper sets. This was the first year in which the Mint created these off-metal sets. For this year 4 sets survived into modern times. T. Harrison Garrett had one, a virtually complete double set was apparently stolen from the Iowa State Historical Museum and a 4th set missing a half dollar was offered in Europe in October 2022. We can account for the following 9 examples: To view all available images, click here. 1) Kagins 8/77 ANA, Paramount 1977 RCR #17, Paramount 9/78, Akers Auction 90, Goldberg 2/00 as PCGS64BN, Heritage 8/04 as PCGS65BN, Simpson-Heritage 11/20 - PCGS66BN 2) Britton-G Cogan 1/1883, Garrett-JHU, Stacks 3/76 in set, B/M 8/87 ANA, Superior 10/89, Superior Auction 90 as NGC64RB, B/M 8/91 ANA, ANR 12/03, ANR 12/04 - PCGS65RB, illustrated above, click on the thumbnail to enlarge 3) Monaco 10/22 set - NGC63RB 4) Stacks Auction 85 part of 6 coin set, Stacks 1/05, Heritage 1/23 FUN - PCGS63BN 5) Sidney Smith 1/72, Bass-B/M 5/99 - PCGS62BN 6) Stacks 8/76 ANA, Stacks Auction 81, Heritage 11/04, Heritage 1/05 FUN, Heritage 4/15 - PCGS61BN 7) B/R 1/81 - proof 60 bn One of these last 2 is ex Paramount 5/69. 8,9) Stolen from the Iowa State Historical Museum Photo courtesy of American Numismatic Rarities.