double die or mechanical doubling?

so Im New to this coin collecting world and I would like to get some input on if I found anything of value or am I just jumping the gun.....so here are some attracted images of what I have found. maybe someone can give me some insight into this.
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Machine doubling.
MD from what little I know
Successful transactions with : MICHAELDIXON, Manorcourtman, Bochiman, bolivarshagnasty, AUandAG, onlyroosies, chumley, Weiss, jdimmick, BAJJERFAN, gene1978, TJM965, Smittys, GRANDAM, JTHawaii, mainejoe, softparade, derryb, Ricko
Bad transactions with : nobody to date
MD
I found this reference from another forum with the name C.D. Daughtry for determining Double Die versus Machine Doubling
The OP is machine doubling...no split serifs.
BST transactions: dbldie55, jayPem, 78saen, UltraHighRelief, nibanny, liefgold, FallGuy, lkeigwin, mbogoman, Sandman70gt, keets, joeykoins, ianrussell (@GC), EagleEye, ThePennyLady, GRANDAM, Ilikecolor, Gluggo, okiedude, Voyageur, LJenkins11, fastfreddie, ms70, pursuitofliberty, ZoidMeister,Coin Finder, GotTheBug, edwardjulio, Coinnmore, Nickpatton, Namvet69,...
@oih82w8 nice depiction there
Successful transactions with : MICHAELDIXON, Manorcourtman, Bochiman, bolivarshagnasty, AUandAG, onlyroosies, chumley, Weiss, jdimmick, BAJJERFAN, gene1978, TJM965, Smittys, GRANDAM, JTHawaii, mainejoe, softparade, derryb, Ricko
Bad transactions with : nobody to date
definite MD
BHNC #203
Hey thanks everyone, Yeah I was leaning to MD my self. as they say when in doubt check it out. lol or more like I say. but thanks again everyone.
What year is this lincoln ?
Take your image like this .

@Kana808...Welcome aboard... As determined above, MD.... however, it is great that you asked the question, that is how we all learned - well, that and a few expensive mistakes...
Cheers, RickO