Touching AM pennies?

I went through some 90s pennies. I noticed on a few. The “AM” in America touches on a few coins? Why is this?

 

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You must be the last person on Earth to notice that.. Close and Wide AM varieties.

http://www.lincolncentcollection.com/closeamwideam.php

and

http://www.lincolncentresource.com/wideams.html

 

So.. What year is your Cent?

 

1992 close ams are very valuable. You have any?