Our Favorite Errors ...
1970-D Jefferson Begs For Explanation
Explanation & Images by Mike Diamond

    January 18, 2007 -- Mike Diamond sent in neat images of a 1970-D Jefferson five-cent piece with an unusual error that at first can be rather baffling as to how it occurred.  Mike's explanation is: "Here's an interesting error I recently obtained from Fred Weinberg.  The first strike was normal.  The second strike was about 20% off-center and very weak.  It's die-struck on the reverse.  The obverse shows a weak, mirror brockage that covers about 80% of the obverse.  It is more-or-less aligned with the die-struck design on the reverse, but is rotated about 90 degrees relative to it.  Most likely something interfered with normal die approximation on the second strike so that, at their closest approach, the two dies were almost as far apart as the combined thickness of the two coins between them.

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