I believe your dime is the JR-7 die marriage, a R-4 coin.
Here are my LM-1.1 and 1.2 coins. You can compare your coin to mine with regard to condition/grade and attribution. [ATTACH] [ATTACH]
Clearer, more focused photos would be a big help. I have tentatively identified your coin as 1830 LM-1.1 die remarriage. That coin has a rarity...
Good edge photos. I don't see anything to make me think the coin is not genuine.
I agree with @Insider that it's B-9, often called the "Amateur Diecutter's Reverse". It's Die State 2 with the reverse die crack from O of OF to...
Regarding so-called "EAC Grading", allow me to clarify something that tends to get lost in the shuffle due to things like the abbreviated format...
The phenomenon you describe is not actually an artifact of EAC grading. It's a result of TPG market grading. In this system a coin that. for...
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