This is an example of a 1922 Grant Memorial obverse die trial. They were known as follows: Copper JA1922-10/P3581. This is believed to be unique and is ex Zerbe, Boyd, 76 ANA. White metal JA1922-11/P3584. This is also believed to be unique and is ex Fraser, Cohen and appeared in the August 6, 1975 edition of Coin World. Photo courtesy of Stacks.