1977 DDO ?

[addictedtocoins]

I'm not sure if this is die wear or doubling. Bottom of the 1&9,the top of the 7's in the date. The bottom of the E in we,The GO in God and the bottom of the N on the reverse and the ENT of the reverse. Thanks for any thoughts.
http://www.lincolncentforum.com/forum/attachment.php?attachmentid=127138&stc=1http://www.lincolncentforum.com/forum/attachment.php?attachmentid=127139&stc=1http://www.lincolncentforum.com/forum/attachment.php?attachmentid=127141&stc=1http://www.lincolncentforum.com/forum/attachment.php?attachmentid=127142&stc=1http://www.lincolncentforum.com/forum/attachment.php?attachmentid=127143&stc=1http://www.lincolncentforum.com/forum/attachment.php?attachmentid=127144&stc=1http://www.lincolncentforum.com/forum/attachment.php?attachmentid=127145&stc=1http://www.lincolncentforum.com/forum/attachment.php?attachmentid=127146&stc=1http://www.lincolncentforum.com/forum/attachment.php?attachmentid=127147&stc=1

[mustbebob]

I do not see any hub doubling on this coin (great pics though). From what I can make out, it appears there may have been some MD at one time and it has worn down with circulation. There also appears to be some hits associated with some of the anomalies.

[addictedtocoins]

Thank you sir.