These were often misdescribed as two cent pieces struck on "rude" planchets. Examples are known for virtually every year that this short-lived series was struck as listed below.
1864 Large Motto
1) Copper Nickel – reported by Taxay
2) Bronze - Weinberg Fall 78 FPL as 1867 !!, Numismatics LTD Spring 1982 FPL, Xan Chamberlain, Heritage 1/07 at Mike Byers, Heritage 4/10 - NGCAU58BN
3) Bronze? - Numismatics LTD Spring 1981 FPL - AU full date
4) Bronze? - Bolt collection flipover on struck cent, Weinberg Summer 79 FPL - VF
1) Bolt, Cohen-Halpern FPL, B/M 1/85 ch AU or better stolen from Mark Lighterman in 2001 and recovered in 2009
2) Heritage 8/15 ANA - PCGSXF45BN
1866 - Kagin's 77 ANA, HIM 7/83 - UNC
1869 - Reported by Taxay
1871 - Reported by Taxay
No date - Byers
Photo courtesy of Heritage.