IMO it's worth keeping as a space filler until you can get an undamaged example. It's a darn shame about the damage.
If the edges/reeding have the same discoloration as the surface, then it's environmental damage. If the edges look like a normal new coin then it...
Take it to the bank, get 10 rolls of cents and see how many diff dates and mintmarks you can find. Then you'll have the start of of a collection....
Not counterfeit, just damaged. Spend it. It's still worth $5
It's Environmental, most likely chemical. You are correct the seal on the left should be black as well as the L12. They are green on your note....
Soaking in Nitric or hydrochloric acid does wonders. Used to do this in the college chem lab and then spent them (although you have to take them...
Environmental exposure, not an error. The green ink can change colors when exposed certain chemicals.
Two coin dealers walk into a bar......
Like @spirityoda said. Minor misaligned die on the obverse.
Wexler's Doubled Die site has some really good information. Read the sections on Doubled Dies and Worthless doubling
No. Check out the Wexler's site and you'll see it isn't close. Probably a plating blister
So does that make It a Clamination error? :banghead: (Haven't had any coffee yet this morning)
Already posted. You just have to read the thread to find it
Edit
@Conder101 Nothing more than my opinion, but I think your second theory sounds reasonable.
Most of the small local shows in my area don’t have any ancient dealers. A few have the occasional corroded LRB or ratty Sestertius at very high...
Sounds like the learning experience was worth the $1
@girldly In your original post (Post#12), you said the coin was analyzed by SEM/EDS. Your cent IS NOT solid 96% nickel based on that analysis....
The issue is that you want to debate a topic that has been studied by numismatists and scholars and offer nothing more than a hunch and the hunch...
@Chris .c. Looking at the original pics and the recent ones in post #9, it looks like you tried to removed the black spot on Lincoln's mouth....
Separate names with a comma.