Although these are described as regular die trial pieces in the standard references, it is more likely that the off-metal 'trials' of this year were deliberately struck for sale to collectors in complete sets. Examples were also struck as follows: To view all available images, click here. Copper J1331/P1475 with only 3 confirmed as follows: 1) Stacks 8/76 ANA, Paramount Auction 86, B/M 5/92, ANR 7/03 as PCGS64BN, Simpson-Heritage 4/21, Heritage 10/21 - PCGS66BN with a spot under Liberty's eye on the obverse and one at the bottom of the wreath as 6:00 on the reverse 2) Boosel-RARCOA 4/72, Bass-B/M 5/99 - PCGS64BN 3) Kaplan, Harte-B/R 3/81, B/M 3/96, B/M 1/97 as NGC64RB - PCGS64RB with a spot in the obverse field between the U in UNITED and Liberty's neck Aluminum J1332/P1476 with only 2 confirmed: as follows: 1) Farouk (one of 2), Boosel-RARCOA 4/72, Bass-B/M 5/99 as PCGS65, Tree Many Feathers-B/M 9/01 (cancelled to 11/01) as PCGS65, Heritage 1/07 FUN as PCGS65, Stacks 7/08 as PCGS65, Simpson-Heritage 1/21 FUN, Heritage 7/21 - PCGS66, illustrated above, click on the thumbnail to enlarge