The Future is Here: Exploring the World of 3D Printing

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0:005:46

Success & InspirationEngineering

4. A Penny of History

5:46

10. 1914-D Lincoln penny

0:43

11. 1922 Lincoln penny

0:54

12. 1931-S Lincoln Penny

1:13

13. 1943 Copper Lincoln Penny

1:20

14. 1955 doubled die Lincoln penny

1:15

15. 1972 Doubled Die Lincoln penny

1:15

16. 1984 Double Ear Lincoln penny

1:13

17. 1995 Doubled Die Lincoln penny

1:14

18. 1998 Wide AM Lincoln Penny

1:15