It appears that it is not a doubled die, but is some machine doubling and some toning difference between protected areas and unprotected areas ( such as front of face where you have an arrow). http://www.lincolncentresource.com/doubledies/1969Sddo1.html Die type 1 ( very rare) http://www.coppercoins.com/lincoln/diestate.php?date=1969&die_id=1969s1do002&die_state=mds Die 2 http://koinpro.tripod.com/Articles/OtherFormsOfDoubling.htm information on different doubling effects. Welcome to the forum! Jim