This is an experimental piece, in copper, using a lettered edge collar containing the words "E Pluribus Unum". Only 3 examples are known, all defaced with chisel marks, and all 3 show some lettering on the edge. 1) Connecticut State Library, ex Mitchelson 2) Woodin, Newcomer, Boyd, Farouk, Judd, 66 ANA, Coronet Coin FPL (Krouner collection), Merkin 2/71, Queller-Heritage 4/09, Heritage 8/11 - cleaned 3) Lohr, Cox, RARCOA 4/72, 74 FUN, Heritage 2/83, Stacks 5/85, Queller-Heritage 1/09 - NGC60RB illustrated above. Photo courtesy of Heritage.