As the title states (Click on the pictures to view larger, then click the magnifying glass with the + in it to see even bigger!) NEW PICS IN POST 5 Thanks! GM
Try shooting through a loupe and isolate the mint mark and a couple of the letters. The pics are too small to make any detemination. To see a mint mark try to get a pic like this:
This picture represents all six pennies with small variations: Does this look to be a slight DDO? Also, why is the MM crooked?
Mint marks were applied manually to individual dies until about 1990 so they appear in various locations and some are tilted. I don't see any doubling but check here on coppercoins to see if you have a ddo. There are markers on the coins that you can match up: http://www.coppercoins.com/advsearch.php