1853 $20 -- Misaligned Die

I recently purchased an AU55 1853 Double Eagle in NGC plastic. The strike is good, the stars are well defined and the wear is even. The color of the coin looks great and original. In case you are wondering, there is a haze on the holder over the “LB”.
The coin has a large gap between the denticles and rim on the reverse from about 8:00 o’clock to 11:00 o’clock, see image below. The obverse seems to be better centered and doesn't have a gap along the rim. I think this condition was most likely caused by a misaligned die during striking. Any other thoughts?
I have a few questions about the misaligned die:
Does this affect the grade assigned by the TPG services? I suspect not since that is a mint error.
Does the appearance of the reverse negatively affect the value of the coin?




The coin has a large gap between the denticles and rim on the reverse from about 8:00 o’clock to 11:00 o’clock, see image below. The obverse seems to be better centered and doesn't have a gap along the rim. I think this condition was most likely caused by a misaligned die during striking. Any other thoughts?
I have a few questions about the misaligned die:
Does this affect the grade assigned by the TPG services? I suspect not since that is a mint error.
Does the appearance of the reverse negatively affect the value of the coin?
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Comments
I agree, the issue is due to misaligned dies, however, I think the gap between the denticles and rim is quite large, and there is a raised ridge along the outer edge. See images below. While this appearance is not as dramatic as some coins struck off center, it appears more obvious compared with a slight degree of misalignment commonly seen with double eagles.
Does the appearance of the reverse negatively affect the value of the coin?
I think it could for a high-end mint state 1853 $20, but probably not for an AU coin. Any other opinions?