Hey Dude, (isn't that a song...

). Let's take a look at the mintmark. Your eye did catch something for sure. Somethin' ain't right. (thank your training, I mean that!). It could be something poking out, but, check other areas that must show equal movement. The edges, 180°, 90°, then the inside, the the serif ends. That's in one motion of my eye when I check these. If no other indicators are there, then it's damage, die, strike or post mint occurance. On to the next.
"go to L"

...on checking doubling. What am I seeing and where and direction. Am I seeing a reduction in the devices size. This can be hard at times, on the face for instance, high bounces can mimic close to a
DDO, can't see a reduction at first. This goes also for am I seeing increased size of a balloon letter, or just normal here? I'm seeing movement up and to the left slightly on lower bar, look closely at the top, same type motion/direction which also diminishes as it moves to the center. But we missed the first point. The lower bar is 2/3 its normal thickness. Bingo. Can't be a
DDO.
Now, final point. Is this MD or
Die Deterioration (attrition)
DDD?
DDD will have other indicators, die flow lines, in most cases the L woulda went to...! By wrapping up the side, at least closer to rim. The device edges at field level will be showing stress, pulling cracks, etc. Here it is clearly EDS, or MDS, the devices are crisp not mushy. Therefore process of elimination = MD.