Thank you... After looking at your photos, it certainly looks promising. May I ask if you've matched markers?
check here http://www.coppercoins.com/lincoln/diestate.php?date=1997&die_id=1997p1do001&die_state=mds
Your image was good enough to increase the size and crop. Looks like a good one! I'd estimate 20- 30 bucks.