Could use a clearer pic of the closeup shot of the mint mark. It is likely just a gas bubble under the copper plating (very common in 80s era cents) but might be a repunched mintmark. Would need a clearer image with less flash to wash out the details.
I checked here...
http://www.coppercoins.com/lincoln/...pe=mm&page=0But nothing seemed to match
Check out the main forum for the photography section, some great coin imaging tips there.
Oh and
